OpenTechnical

OT-2026-000089844

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089844) never changes.

Identity and time

Publication numberOT-2026-000089844 · never reused
Internal UUID01a0ae9c-428d-75d0-bc43-fdf9f96d395e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089844
StatusPUBLIC

Content hashes

Canonical text3e974346fdcc451725189d918bab3180c8dd2ba45e5ca8c667d21d01ea1a21b3
Markdowndfa28f757860d26b600b0a44f7f310da4fbebc1deaa57947e7d64d7dd9f6e93d
PDF
Publication pagef52638da133c84340d604ab5d331d2c81dde3550358b4b308d8d52de5ca38f41
Manifest3142410a22515797d1318c8810adafa7c56bc389e0ff5e15372df92df17a3bec

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
SignatureoDVXy4ZoCiHVf0HIB4RndwOs73epbsYq4CCdSJS7Mh8j5oPG25pE4lMJNotoqcK5gC9IDUdeAbYlIWjdsDMZDw==
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

2026-09-17T09:45:05.329689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089844
observed f52638da133c84340d604ab5d331d2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.313409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089844/manifest.json
observed 3142410a22515797d1318c8810adafa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.296983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089844/publication.md
observed dfa28f757860d26b600b0a44f7f310da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.281436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089844/publication.txt
observed 3e974346fdcc451725189d918bab3180...
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.