OpenTechnical

OT-2026-000076488

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000076488) never changes.

Identity and time

Publication numberOT-2026-000076488 · never reused
Internal UUID01a0ae94-6a71-75eb-802d-facbb169ed72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076488
StatusPUBLIC

Content hashes

Canonical textc847fbcff3b5b97f811f885af2930d56bd88ab0a45a7ec8ee0c4383ed79656e4
Markdown7c80f35495002878f88fadf39e441f8a96dbd5536eeb1e7d5fc89790f45ddea4
PDF
Publication page52c4c4426d0ec673bd26c2ba94b04fdaa0986638a8feefe540ef1318582f07cc
Manifestf19f3590d631a655a8e8ffb11342dab9896388fa3833742dcde888fb10dc1fa3

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
Signature+4ur5WxPSBD/6Q4+eK/yRHR7D3pOAu/Q9Mw93KHo74ZgLOnx42cKFg32rmXtBo+0ZkHnJF/bihFqsom6gAFKBg==
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

2026-09-17T10:12:43.507617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076488
observed 52c4c4426d0ec673bd26c2ba94b04fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:43.488477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076488/manifest.json
observed f19f3590d631a655a8e8ffb11342dab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:43.470033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076488/publication.md
observed 7c80f35495002878f88fadf39e441f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:43.449497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076488/publication.txt
observed c847fbcff3b5b97f811f885af2930d56...
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.