OpenTechnical

OT-2026-000014551

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000014551) never changes.

Identity and time

Publication numberOT-2026-000014551 · never reused
Internal UUID01a0ae6d-b27b-7cd8-b6a7-71336ba0b9e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014551
StatusPUBLIC

Content hashes

Canonical textd570b9e3bf962e30bbeb29b442346c7a58a02eea776026e6fb8749cfbe9c9b39
Markdown497ddd3e35b422bffa395f7cb465cca304181d2b957f213add60a8ae15c00a06
PDF
Publication page3b1f50b8d033f3586ecf8d4479f1d6ce0a642ea6343d3c809caadf0637698d85
Manifest556f23fa02719d12dbbc78897c22d40003dc8b5f504daffaefaf61d5946aa148

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
SignatureoIgeIkkec5sa9yy+1+SlEIGZiibS6+6fgH690C+xgq5rj1DSfSxomRMZh/XuW2eam/hD7DbFwCMRtSbxvRWPCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:25.449921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551
observed 3b1f50b8d033f3586ecf8d4479f1d6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.427458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/manifest.json
observed 556f23fa02719d12dbbc78897c22d400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.401798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/publication.md
observed 497ddd3e35b422bffa395f7cb465cca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.376153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/publication.txt
observed d570b9e3bf962e30bbeb29b442346c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.245546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551
observed 3b1f50b8d033f3586ecf8d4479f1d6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.227046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/manifest.json
observed 556f23fa02719d12dbbc78897c22d400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.209936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/publication.md
observed 497ddd3e35b422bffa395f7cb465cca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.192581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014551/publication.txt
observed d570b9e3bf962e30bbeb29b442346c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.