OpenTechnical

OT-2026-000089885

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000089885) never changes.

Identity and time

Publication numberOT-2026-000089885 · never reused
Internal UUID01a0ae9c-428d-78a1-99b1-0742dfc1331f · 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-2026-000089885
StatusPUBLIC

Content hashes

Canonical text042eb3fa421c044db9c87d9192430d8dad52f891a9046b83d4f726eeba2d5a8e
Markdownde54afd037b6cb06778c11679bedd4f91f123327140e0f78066cc279e4b4859c
PDF
Publication page86a98a730d9073d4ac38f007d94905b8d50fcd398475c8663a7cc0f7cc25da2f
Manifestf0ae36a499f3a6ed98bf097e810ddb49911d7878b1b9c681ea516910f0b62aac

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
SignaturegXk2tgOPVPM/kwrF0KAdNr/brnTOojV1EjxVipFSsFTrKMrlkelqy06k9jWK3dzgxTUQs9FV0p20SKeDyHfJDw==
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

2026-09-17T09:45:08.880757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089885
observed 86a98a730d9073d4ac38f007d94905b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.860790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089885/manifest.json
observed f0ae36a499f3a6ed98bf097e810ddb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.842451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089885/publication.md
observed de54afd037b6cb06778c11679bedd4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.821558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089885/publication.txt
observed 042eb3fa421c044db9c87d9192430d8d...
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.