OpenTechnical

OT-2026-000079118

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000079118) never changes.

Identity and time

Publication numberOT-2026-000079118 · never reused
Internal UUID01a0ae95-ccbf-7085-8f23-8ab56da9dfdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079118
StatusPUBLIC

Content hashes

Canonical textae6252f426a4368936d4772985b7aa955e05aa5f77b43f640df51d7ba322edce
Markdown6d515b0c370a4a2ecf1738f063ea7e16e696171106e1d09b6023995c082260bf
PDF
Publication pagea18d7f76805a3dc9ae7ef472595011154710e35fa76bbf274142c72f1520c6b8
Manifest7c6a4a8537b68ee710c5a62eb62ee306a8bb0cedc2c9fb844d61ef3594e23272

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
SignatureT8fNGoNaIDjXrWY0CrFh5DMeShqMofNVg3DXLw21XVzTSnf5YD0UgE9QiJS4zC1maEyEtbVn7ih7Pl0iR7aoAA==
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

2026-09-17T10:05:57.982429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079118
observed a18d7f76805a3dc9ae7ef47259501115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.964355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079118/manifest.json
observed 7c6a4a8537b68ee710c5a62eb62ee306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.944499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079118/publication.md
observed 6d515b0c370a4a2ecf1738f063ea7e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.925489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079118/publication.txt
observed ae6252f426a4368936d4772985b7aa95...
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.