OpenTechnical

OT-2026-000072632

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000072632) never changes.

Identity and time

Publication numberOT-2026-000072632 · never reused
Internal UUID01a0ae92-89d9-753e-9885-09ff7a8fb3e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072632
StatusPUBLIC

Content hashes

Canonical textc3c75143d5d80eb6a5fce8123290e4a4e0d6b53fdf34304dfc0ab12aea8ea842
Markdown9a1ef978ddcda2f56b77f70e02bf93360f4560d33ec0da68df0cad3b3e360017
PDF
Publication page6581523e12125208458ac855385f19c0a3104d22c13d2df07bf8cceef5cf7f21
Manifest9e8b653a1a273b18956ca2f562e5809a4e76003bbe7dd04274d2201871146c21

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
SignatureUa5HDIMVTxkG98Go+v0fMynbVx/Pu/FPGw0AeApV/9Sn76pXRSZ23jquuxWAg3OziE1mJE0lYbCVB8Z5khlPBg==
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

2026-09-17T10:22:29.594756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072632
observed 6581523e12125208458ac855385f19c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.577894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072632/manifest.json
observed 9e8b653a1a273b18956ca2f562e5809a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.560203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072632/publication.md
observed 9a1ef978ddcda2f56b77f70e02bf9336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.542452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072632/publication.txt
observed c3c75143d5d80eb6a5fce8123290e4a4...
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.