OpenTechnical

OT-2026-000081594

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081594) never changes.

Identity and time

Publication numberOT-2026-000081594 · never reused
Internal UUID01a0ae97-0f72-7b8a-8fff-7cd28a75909a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081594
StatusPUBLIC

Content hashes

Canonical texta9f107926511ee6d8b31f73a8fa33ded45e8289e4fdd9d38e3a4448fd19be193
Markdowna260169466f5ed949b0c9c6f00a3573f9b96ab039d7a64735579156df48e0e46
PDF
Publication pagef6fde3ac1d6221ce35b368ab10f2026b6ae01b52800abca5d61223efeebe46a8
Manifestbe083a792cc3725a2bd26557dbe6923bd4ca6ca2a590aa96004b88e77f7b31d2

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
SignatureY5UL62fvfrUT1Y33ruzer8Ba6CzD/XBmMofeW5ihz4lwpFDa6me6NvekPRZ6Ww1Z1BzW1ZhmWfDDF6kkxk6ZBw==
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

2026-09-17T09:59:37.842949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081594
observed f6fde3ac1d6221ce35b368ab10f2026b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.824673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081594/manifest.json
observed be083a792cc3725a2bd26557dbe6923b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.807616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081594/publication.md
observed a260169466f5ed949b0c9c6f00a3573f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.790173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081594/publication.txt
observed a9f107926511ee6d8b31f73a8fa33ded...
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.