OpenTechnical

OT-2026-000000471

Publication integrity record

Bonding strength inspection apparatus and bonding system

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-2026-000000471) never changes.

Identity and time

Publication numberOT-2026-000000471 · never reused
Internal UUID01a0a673-6652-7f3b-93b8-c3ec0c035eec · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:55.826999Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000471
StatusPUBLIC

Content hashes

Canonical text75332fca4f07471b97396f66a06ccd5bdb1cc4611fe25155aaaaafd1457fb15f
Markdown9c3e5c26d6ec3d15b4d2b92caa40e5d4b82640105fa2a19ed0b4e8969c3e176e
PDF
Publication pagee314062eac35a92dc19d677fb2f3fe774139747c3a348e8494c0d4294204adef
Manifest5b7c4687f5ac148a40137d8b2de5c83718db5516981134313b27347b527f2820

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
SignatureWPfVHxQutNMAsDQnrijXVfWIFOkEKfYqg2Qy1w8E7gEMFalCpHnTv+yG6Duu5eY5wRtYvbGwXm95Ccx9TgDuBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-26T00:41:31.943946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471
observed e314062eac35a92dc19d677fb2f3fe77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:31.863591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471/manifest.json
observed 5b7c4687f5ac148a40137d8b2de5c837...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:31.779172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471/publication.md
observed 9c3e5c26d6ec3d15b4d2b92caa40e5d4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:31.631819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471/publication.txt
observed 75332fca4f07471b97396f66a06ccd5b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:05.788739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471
observed e314062eac35a92dc19d677fb2f3fe77...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:05.753393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471/manifest.json
observed 5b7c4687f5ac148a40137d8b2de5c837...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:05.608497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000471/publication.txt
observed 75332fca4f07471b97396f66a06ccd5b...
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