OpenTechnical

OT-2026-000002354

Publication integrity record

Tool checking device, storage device storing tool checking program, and tool checking method for robot arm

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002354) never changes.

Identity and time

Publication numberOT-2026-000002354 · never reused
Internal UUID01a0a67c-1e15-76bb-badf-41043e8c91b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:12:27.158287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002354
StatusPUBLIC

Content hashes

Canonical text65b8b3bfc9b7755689b0bd5d8c8d25b273d5bbc8fc36b02244e8edec2ed1d696
Markdownc455b038ea9d6473fa5d232a1abb24f469950e6e9962921663095d034e9d98be
PDF
Publication page111da8be915f769a41b461d1d879a00a8dc2ba4f22c7243d058c1f62a745ffaf
Manifest06642dd5c81d807cd1b5e74e268b45b1b70923208912293c0a2417a167895eb3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWbw1LMYxzVJJGS1bL6JfdmJCGrEQ+1AJuYDyClvsIaFsVK76r0b8w8HBcnDt2zPblYttiT/0IGaagk0cjyHXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T16:42:29.786717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354
observed 111da8be915f769a41b461d1d879a00a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:29.575989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354/manifest.json
observed 06642dd5c81d807cd1b5e74e268b45b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:29.377653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354/publication.md
observed c455b038ea9d6473fa5d232a1abb24f4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:29.051694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354/publication.txt
observed 65b8b3bfc9b7755689b0bd5d8c8d25b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:24.768102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354
observed 111da8be915f769a41b461d1d879a00a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:24.738771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354/manifest.json
observed 06642dd5c81d807cd1b5e74e268b45b1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:24.724667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002354/publication.txt
observed 65b8b3bfc9b7755689b0bd5d8c8d25b2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent