OpenTechnical

OT-2026-000002186

Publication integrity record

Device and method for transferring blanks

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-2026-000002186) never changes.

Identity and time

Publication numberOT-2026-000002186 · never reused
Internal UUID01a0a67b-184c-761b-9dd5-accb12e54b45 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:20.140863Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002186
StatusPUBLIC

Content hashes

Canonical text2a86a8b184af8e342bb3375190d64d3ff42a367897a77745277a67d65238288d
Markdown7a3b201f54d1863fce0b21871d0d7fa7b672332176095551930292ac573bdb0d
PDF
Publication paged760c8e0fd389068b53f6d5588eb9d821d4f60d045faf2e7f06682c3d9c66eb5
Manifest25140b0ad0a9b656528bf0da0a78659571fbe2ca0a68c4632863560789474077

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
SignatureQfEV9DKFctcZhvl3HYWu6SJ6D8SXSpcrRDqQlx642WbImlp1HpSEC8E8idbFhd3EtBOXZV5ujujvBkmqPMrhDA==
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

2026-10-04T04:23:31.773854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186
observed d760c8e0fd389068b53f6d5588eb9d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:31.759478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/manifest.json
observed 25140b0ad0a9b656528bf0da0a786595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:31.744029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/publication.md
observed 7a3b201f54d1863fce0b21871d0d7fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:31.637231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/publication.txt
observed 2a86a8b184af8e342bb3375190d64d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:42:09.151110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186
observed d760c8e0fd389068b53f6d5588eb9d82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:08.665759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/manifest.json
observed 25140b0ad0a9b656528bf0da0a786595...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:08.426045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/publication.md
observed 7a3b201f54d1863fce0b21871d0d7fa7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:07.662469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002186/publication.txt
observed 2a86a8b184af8e342bb3375190d64d3f...
fetched by grabo-systems from 34.44.131.203, 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