OpenTechnical

OT-2026-000100262

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100262) never changes.

Identity and time

Publication numberOT-2026-000100262 · never reused
Internal UUID01a0aea3-3053-7e4d-8201-43aa570841b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100262
StatusPUBLIC

Content hashes

Canonical textda7488240928817801872cf330193ab468f367ccb5cf8b2d28481e9773aa6229
Markdown88ea947fb6263c2e3599b89fb083f820fb82ef5189761546b6b1055912ae0fe5
PDF
Publication pageff1cf585d3937de164b797f32981c57c97a6b87a42167904460aee41276ee707
Manifest86aaf21f3c7ee45e2db9dec9e94fd83c75d560b426102d39ce3031a3c6e10e97

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
SignatureS1o0mNlttd3F/qnk6VVCgcbDLyzCrrC7mXy3iCCSnafoGuBMmOLSzrWyzSmZEcJeHEyFxnPkagO8danbZWnHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.091600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262
observed ff1cf585d3937de164b797f32981c57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.073504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/manifest.json
observed 86aaf21f3c7ee45e2db9dec9e94fd83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.053843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/publication.md
observed 88ea947fb6263c2e3599b89fb083f820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.035423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/publication.txt
observed da7488240928817801872cf330193ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.749213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262
observed ff1cf585d3937de164b797f32981c57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.732305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/manifest.json
observed 86aaf21f3c7ee45e2db9dec9e94fd83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.713879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/publication.md
observed 88ea947fb6263c2e3599b89fb083f820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.696289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100262/publication.txt
observed da7488240928817801872cf330193ab4...
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.