Client Records
Testimonials and case notes from Utility Birch Line custody log engagements across Cheongju and Chungcheongbuk-do.
Voices from the field
My steel plate sat in a drawer for four years with no record of who knew it was there. Min-jun photographed the capsule seal, noted the drawer humidity, and wrote three pages I can hand to my daughter. The only drawback: I had to find my reading glasses for the fine print on the tape serial numbers.— J.L., engraved plate, Sangdang-gu · Backup Audit Log, 2024
We split paper backups between my apartment and my brother's safe in Daejeon. Yeo-jin created matching log sections for both locations with cross-reference numbers. Moving one envelope required a phone call to schedule a joint re-sealing—which felt cumbersome but proved the system works.— R.P., laminated seed cards · Dual-location audit, 2025
The quarterly refresh caught tape edges lifting on my fireproof box before summer humidity arrived. Seung-woo replaced the seals and added a page I would have skipped myself.— A.C., fireproof box with paper inserts · Log Refresh client since 2023
I appreciated that they never asked to see the words on my cards—only the envelopes. One visit ran long because I had forgotten a second stash in a coat pocket. They adjusted the invoice fairly.— T.W., paper backups · Seal Verification + new log, 2025
Extended case: The Osong relocation
A client preparing to move from Cheongju to Osong owned one steel capsule and two paper envelopes stored in a home safe. Before the move, we conducted a full audit log session documenting each seal state and safe interior dimensions.
During the move, the client broke seals under our phone guidance, transported materials personally, and scheduled a re-sealing visit within 48 hours of unpacking. The log now contains seven dated entries spanning six months—a chain any family member can follow without accessing digital devices.
The client noted that scheduling around bank vault hours for an secondary copy added complexity, but the written record reduced arguments among siblings about who last handled which envelope.
Extended case: Seasonal humidity in Heungdeok-gu
A retired teacher stored paper backups in a wooden cabinet near an exterior wall. Our initial visit recorded 68% relative humidity in July. We recommended silica packets (client supplied) and documented their placement.
Quarterly refreshes over eighteen months show humidity dropping to 52% after the client moved the cabinet inward. The log pages include small pasted hygrometer readings—a visual history no spreadsheet could replicate on paper.