OpenTechnical

OT-2026-000083950

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000083950) never changes.

Identity and time

Publication numberOT-2026-000083950 · never reused
Internal UUID01a0ae98-0418-7b3a-b164-6a77ad0232ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083950
StatusPUBLIC

Content hashes

Canonical text15fc2eaf5a1d85601925f29db13ee34b4b31c58870c2bb264cd0c593776a5d52
Markdown80b34f41f5c514938b6b901f64c6baaa248eab3373f12ee456e576f196185a36
PDF
Publication page596bb91b5d9f975cbec4a9dc14d880e327c14e7755a5406c6c54c13fc1ef35ff
Manifest5eb276ed71e62eef2211b127cdba80fe1dd352c6d24135fcbc1ba781edd15fb5

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
SignatureYx7vLk+Lqitm9Pgp1Up8Shwhq+ckPNibhxeZdqbynOe9YJPn1sJPI3TCn2rrk1JYxAu6TKFrwfpPReITQBpBBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:27.379831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950
observed 596bb91b5d9f975cbec4a9dc14d880e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.360636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/manifest.json
observed 5eb276ed71e62eef2211b127cdba80fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.343516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/publication.md
observed 80b34f41f5c514938b6b901f64c6baaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.320987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/publication.txt
observed 15fc2eaf5a1d85601925f29db13ee34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.992725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950
observed 596bb91b5d9f975cbec4a9dc14d880e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.975269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/manifest.json
observed 5eb276ed71e62eef2211b127cdba80fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.956607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/publication.md
observed 80b34f41f5c514938b6b901f64c6baaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.940052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083950/publication.txt
observed 15fc2eaf5a1d85601925f29db13ee34b...
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.