OpenTechnical

OT-2026-000031312

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000031312) never changes.

Identity and time

Publication numberOT-2026-000031312 · never reused
Internal UUID01a0ae74-87ac-7814-9950-80a2dd5c25b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031312
StatusPUBLIC

Content hashes

Canonical textc43bc96727b4c312fb284799f7fff6a34d33d0c98884ebf7fe570f006255d20b
Markdown136029a08b4f753e013c39346552bd10eda33f18b4c7766ba65d7a06ea299bd5
PDF
Publication pageb295cee3211317ecbf50fa8dbb27e78410fd73bb26167335dad0a5810c6f2a3f
Manifested0e80ca146c939b422eb0fff3e232d8431b0c275f9f3eefb521c361f52f5475

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
Signatureb5AI/1nGBOVVpglR7RrzmVuiF2UaUJwWQbsNWDQjB9Qn9h3N7HG0tWcOjO8I5ahdiMu6Zy5kaoD5aogNDF7eBA==
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

2026-09-17T11:35:54.222572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031312
observed b295cee3211317ecbf50fa8dbb27e784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.202723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031312/manifest.json
observed ed0e80ca146c939b422eb0fff3e232d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.185901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031312/publication.md
observed 136029a08b4f753e013c39346552bd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.155563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031312/publication.txt
observed c43bc96727b4c312fb284799f7fff6a3...
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.