OpenTechnical

OT-2026-000076620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076620) never changes.

Identity and time

Publication numberOT-2026-000076620 · never reused
Internal UUID01a0ae94-b06e-7380-9aa9-1f7a98ba86ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076620
StatusPUBLIC

Content hashes

Canonical texta04a7c58f1518d22d086bc6c5de4bc4cb18eee1c43b1e7a20f72285bf3870af6
Markdownabeb13cead5dc1a5f558e83b1e926998e22e1a1708514a792c031703d3671cef
PDF
Publication page8697de85552ee4ac748a793dcf15d9a03ee2ec860c7d3fd73fa88cbeeaedf96e
Manifest734a458c0515307abf7243e6faea5a6f8a70a1031aef07e45554a3e4f203cf83

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
SignatureUcUK5vnv0AqwI3SHGYZTuP12kdYJk1wqR5VVScg5xieQ5+I+Ga/pLXex221bXlVLyyU69qQkzAllOAYWbPhvBA==
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

2026-09-17T10:09:20.920645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076620
observed 8697de85552ee4ac748a793dcf15d9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.900294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076620/manifest.json
observed 734a458c0515307abf7243e6faea5a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.880767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076620/publication.md
observed abeb13cead5dc1a5f558e83b1e926998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.861118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076620/publication.txt
observed a04a7c58f1518d22d086bc6c5de4bc4c...
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.