OpenTechnical

OT-2026-000102922

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000102922) never changes.

Identity and time

Publication numberOT-2026-000102922 · never reused
Internal UUID01a0aea4-be3c-7240-a0d9-6e368463029a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102922
StatusPUBLIC

Content hashes

Canonical textd3464a81e89dc8c8b9cf146038be5d1f2c72d1ac234dad6c1349c534ecee9c4c
Markdown7dfe995ca598d3929f35953984a6351a6000e17c7f7c9154c3451c0b1f76e657
PDF
Publication page606a912940bdce35d123119434d4ed42465e8ee43462820e10d763ffdd8a4181
Manifest079b77cc346cd05dcec15acd66f69af3c18746d4d2e7507b19e994c774a0907f

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
SignaturepT6FC3DK/QI1a9f4L5Nz1X9fRMAr6Sz9frMyqnev4khuSpstxREwLh2VI5XaZQ9NobRfIN2H/6dT3ytiYvwpDA==
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

2026-09-17T09:22:56.360708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102922
observed 606a912940bdce35d123119434d4ed42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.341475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102922/manifest.json
observed 079b77cc346cd05dcec15acd66f69af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.322798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102922/publication.md
observed 7dfe995ca598d3929f35953984a6351a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.303358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102922/publication.txt
observed d3464a81e89dc8c8b9cf146038be5d1f...
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.