OpenTechnical

OT-2026-000088860

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000088860) never changes.

Identity and time

Publication numberOT-2026-000088860 · never reused
Internal UUID01a0ae9b-8f10-78e1-b660-5f901c9241fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088860
StatusPUBLIC

Content hashes

Canonical textba2ab2338b304ad53a6986461fdcbf8e3ef031b2d05f4045bfbc931154d48364
Markdownf082c2e3a59e2cd878612048012ecd12f952fc3403b76a1d450d0d7b17abbda2
PDF
Publication pagedc2cf26875e8635b13e6bce3c02a0ce1fdd2b67b6bba2fcc192ac0152f031138
Manifest223a362b834afff6eb9cff019465a22e37d1fef6dda435fcb3507469a8376a20

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
SignatureTpWU9QOb+T4PhTb9HFefNBdJUKYZqpMGWPSjwijEidYBqZiOSrCJxDBI55I8lInqkWOEgb/pqA5OvAbZTVSkBQ==
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

2026-09-17T09:48:15.265179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088860
observed dc2cf26875e8635b13e6bce3c02a0ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.248836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088860/manifest.json
observed 223a362b834afff6eb9cff019465a22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.230878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088860/publication.md
observed f082c2e3a59e2cd878612048012ecd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.213596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088860/publication.txt
observed ba2ab2338b304ad53a6986461fdcbf8e...
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.