OpenTechnical

OT-2026-000091763

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000091763) never changes.

Identity and time

Publication numberOT-2026-000091763 · never reused
Internal UUID01a0ae9d-43b9-782f-ab05-f1ba4fb68d91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091763
StatusPUBLIC

Content hashes

Canonical texte9c1706fcae76dcbebd4b9684b878494a8c0abf9833aa14c9312f44bb46dc24f
Markdownb27132da6c28125b1edf2c83f8728b62fe147b914e4873f1f41927413acee59e
PDF
Publication pagea07f0e70f03c4bbeb05a83c6c8c98e4ae550ec9357c98cbb87056341a6f82a1a
Manifestd72f86957eae18405b60f8bcc0d929af3cfc6c6085808cc4d553422b4328d105

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
SignatureHksfAcv3OWutyd64BxrUlPav4fCpIkFXqskEeHgs4upburKGWllFi6pVRF9x862rndvuTEYul7OljGr76uBhBg==
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

2026-09-17T09:42:39.355652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091763
observed a07f0e70f03c4bbeb05a83c6c8c98e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.338683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091763/manifest.json
observed d72f86957eae18405b60f8bcc0d929af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.321603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091763/publication.md
observed b27132da6c28125b1edf2c83f8728b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.304506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091763/publication.txt
observed e9c1706fcae76dcbebd4b9684b878494...
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.