OpenTechnical

OT-2026-000075828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000075828) never changes.

Identity and time

Publication numberOT-2026-000075828 · never reused
Internal UUID01a0ae94-29fe-7bc0-9b30-41ad208e0749 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075828
StatusPUBLIC

Content hashes

Canonical textc84c9e3f0cd4830b6d1da70091d68bbdadaea78be205850b6a0b03367b5d1e42
Markdownf325022e2ece2856ea4c88b6a844bc6f2803720173509d19712e90e03bd96068
PDF
Publication page21be266fbdb17eff3967327599ae54e961edc897000f384b4c2ffe39530afd3f
Manifesta1c2683793d68bdaca1235aa0bafe6f101a84a049fa20f84d64b9f6abd1f196d

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
SignatureoqyJPxpsBykF+w93pdalhl6EmfO7yPBC83xHSrJUS0gkekwJObb0I5zMUgyN8ORAxKNJ0hci2QLhqtea5eIUBQ==
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

2026-09-17T10:14:28.510169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075828
observed 21be266fbdb17eff3967327599ae54e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:23.064821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075828/manifest.json
observed a1c2683793d68bdaca1235aa0bafe6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:23.046638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075828/publication.md
observed f325022e2ece2856ea4c88b6a844bc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:23.028480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075828/publication.txt
observed c84c9e3f0cd4830b6d1da70091d68bbd...
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.