OpenTechnical

OT-2026-000083845

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000083845) never changes.

Identity and time

Publication numberOT-2026-000083845 · never reused
Internal UUID01a0ae98-0418-7ad8-86ab-59fe366a1fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083845
StatusPUBLIC

Content hashes

Canonical textedf8064d27af252b642eed8b0b39f163123020d08d9674ca935737573cfef7fd
Markdownc99a2178992158430c740be43370c8e9f1941780447185ee6ba70e9ab0ff6684
PDF
Publication page24636c6d12641db4a043fe76d8e6e684105c663410c9c0c0bf23dff457afe512
Manifest17fb0ed7a9f0dc8cc0817d22431e0b65a23d2ea4c282505e7430be91022f85f1

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
SignatureYUoVkvM6zC/bbohv4DtaNzYW7Fircke9DchV1RqxahDbh8QglBIATfBmqW1PIhagjcOoJ/TJ4e5MmzFzyu/vAg==
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

2026-09-17T10:00:07.669051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845
observed 24636c6d12641db4a043fe76d8e6e684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.626703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/manifest.json
observed 17fb0ed7a9f0dc8cc0817d22431e0b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.586754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/publication.md
observed c99a2178992158430c740be43370c8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.552596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/publication.txt
observed edf8064d27af252b642eed8b0b39f163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.211674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845
observed 24636c6d12641db4a043fe76d8e6e684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.195479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/manifest.json
observed 17fb0ed7a9f0dc8cc0817d22431e0b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.178326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/publication.md
observed c99a2178992158430c740be43370c8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.158943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083845/publication.txt
observed edf8064d27af252b642eed8b0b39f163...
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.