OpenTechnical

OT-2026-000025140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000025140) never changes.

Identity and time

Publication numberOT-2026-000025140 · never reused
Internal UUID01a0ae71-5fa5-7944-9b55-3c1b4b8702f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025140
StatusPUBLIC

Content hashes

Canonical text525c445856f048d9167d2c2ffed6d3ed954adcd1a8ab92b2cbc2edf55a23f18d
Markdownce124f53e7f533443d285a09e0c8002ae0436b2bb56fea0be4d12e8b20ac596c
PDF
Publication page8c4aa83480083b7d2ef40b157dc5078469865e77286a078bdaf4a2d1d20d0c91
Manifestcff5bf61a8cd6f06e1781c050e1499dcd1f99f795fb2f88e7078f08092c43254

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
SignatureVBfGbtkCu/8mlyyKYAjEgrqvQMN1NadSaiUynlKQDr9V9DJX0jt9BQLHqAZqHarP8HHktjPPVhKckFu6cufADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:01.361697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025140
observed 8c4aa83480083b7d2ef40b157dc50784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.341251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025140/manifest.json
observed cff5bf61a8cd6f06e1781c050e1499dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.322481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025140/publication.md
observed ce124f53e7f533443d285a09e0c8002a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.300584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025140/publication.txt
observed 525c445856f048d9167d2c2ffed6d3ed...
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.