OpenTechnical

OT-2026-000035880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000035880) never changes.

Identity and time

Publication numberOT-2026-000035880 · never reused
Internal UUID01a0ae76-b4c9-7cd8-a2f0-c26eb1a484c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035880
StatusPUBLIC

Content hashes

Canonical textad8760234300213ea62202ffb3f277a3cfd04249eec008094ef61d501e7583ba
Markdowne5b306f369e8cfbbd3c434ad15fe22d79b3178f0d9d6290825b837e5f6b710c8
PDF
Publication page7ffa3087e913f64446940e0f39f895dd3f117366b2359cb3f919af70f2a7b1e2
Manifest1005a475446e46de13d0ae096223be4725e056bdbba61cf5f072a51c8c2744bd

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
SignatureMZDJFwZ+uIJKwEdKTqlPjOHxa9kmPo56HSBeSCVOmdly099c5LbNXByS7+LHZ7jOlkrpWdq39mIwgpZUxDfUCg==
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

2026-09-17T11:27:37.468836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035880
observed 7ffa3087e913f64446940e0f39f895dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.451720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035880/manifest.json
observed 1005a475446e46de13d0ae096223be47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.433421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035880/publication.md
observed e5b306f369e8cfbbd3c434ad15fe22d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.415581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035880/publication.txt
observed ad8760234300213ea62202ffb3f277a3...
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.