OpenTechnical

OT-2026-000089696

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000089696) never changes.

Identity and time

Publication numberOT-2026-000089696 · never reused
Internal UUID01a0ae9c-1a22-7e4a-bf49-4a196360c525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089696
StatusPUBLIC

Content hashes

Canonical textf9d8d5cc1b046c005264339311f9859dfabb8088102b3b10dcaa18187fa83cc3
Markdown71ce7b5df11631431fc303aade83362314af6a3fa9dfa374c884f9e0422d8b40
PDF
Publication pagec982896d4357ae093b5b81e852f55e926b5f80e17b8a6c78089b36fcf84fa0a8
Manifest5c1ac2092a03583a1bba431b5f8bc00e3dbd428a9ed95fd695661adbbfdf8ddf

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
SignatureRRQL5a2aG/Z6EXIoucXYQrYTjjPj+WZLt8z2W4yKuOpDZKYWh8RU3KvhG/Gz0VGyE6L727+OA6DSV25dd2/CBw==
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

2026-09-17T09:46:41.813535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089696
observed c982896d4357ae093b5b81e852f55e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.797033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089696/manifest.json
observed 5c1ac2092a03583a1bba431b5f8bc00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.778738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089696/publication.md
observed 71ce7b5df11631431fc303aade833623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.762485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089696/publication.txt
observed f9d8d5cc1b046c005264339311f9859d...
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.