OpenTechnical

OT-2026-000093750

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000093750) never changes.

Identity and time

Publication numberOT-2026-000093750 · never reused
Internal UUID01a0ae9e-508c-70e2-8f5d-7fbb8582f74e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093750
StatusPUBLIC

Content hashes

Canonical textfc107df7973f0e201e110d0ca06be32ac0e9aef89cc331d821777d0c42549134
Markdowne3fac443dee1245ed202e21551cbe4763df250af03ccca0b043fc036e2c1631b
PDF
Publication page76c897fd2bfcbc2d07c54d6ec880f2a9b5fdfd04aaedb1f63498e68489604665
Manifestb43837c28a2ff322b6a18157478b858910c912f2abd77cdd191823e769414e7d

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
SignatureyzH17UFizI0AzsyAXh395AQsxSZ9WceqmfTzKkWJI1yDzxVC5TSbfVfOCYyde+T8lSiwyHN6z0/F6WDhoSVuAw==
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

2026-09-17T09:39:49.750357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093750
observed 76c897fd2bfcbc2d07c54d6ec880f2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.734471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093750/manifest.json
observed b43837c28a2ff322b6a18157478b8589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.717547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093750/publication.md
observed e3fac443dee1245ed202e21551cbe476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.700598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093750/publication.txt
observed fc107df7973f0e201e110d0ca06be32a...
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.