OpenTechnical

OT-2026-000087461

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000087461) never changes.

Identity and time

Publication numberOT-2026-000087461 · never reused
Internal UUID01a0ae9a-cd50-75db-9d7b-54aa4ffd70b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087461
StatusPUBLIC

Content hashes

Canonical text45206cc0d6313d5e79eccc0cff38238403ccb24508b3b2b5d601ef174f4d4195
Markdownda08b563d2dcfa6ad26ee1f17d6fc1970ad2e2525a69bde7efeafcc851dc4812
PDF
Publication page1bdeafcd8ff02f4b803052e23bc35b58e889430ef70701adf841078573a6a36f
Manifest7b29913449a26f1738083ab21e384492a22e82a462d898be0eea16c511483863

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
Signature6aRPLJqnRG7gi4hficRTmfjNDwAQ8UOjLfuk+kvt5RLiTH73A9NKzoMKmAMn9rCkJsS2Q5qd8gzP2km+WUuEBQ==
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

2026-09-17T09:50:47.276464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087461
observed 1bdeafcd8ff02f4b803052e23bc35b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.261315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087461/manifest.json
observed 7b29913449a26f1738083ab21e384492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.245452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087461/publication.md
observed da08b563d2dcfa6ad26ee1f17d6fc197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.227974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087461/publication.txt
observed 45206cc0d6313d5e79eccc0cff382384...
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.