OpenTechnical

OT-2026-000044861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044861) never changes.

Identity and time

Publication numberOT-2026-000044861 · never reused
Internal UUID01a0ae7c-911b-72fb-9590-d1b2f6703a9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044861
StatusPUBLIC

Content hashes

Canonical text8e869ffbd67fab5406f833e390a6eff90a1c587e520fe98549351fe6f12d3979
Markdown837acfeca21341d76e8ab3dafa30bb165c96ce5c1b818a12777285e49287e61a
PDF
Publication page1cbd1d7a98a7dd0ffe04ffa905af5eb2e98bc37326e78a101f6ff3eb3ebea704
Manifest168004947ccddd5793b2f937d9daa81d76b33c60457fa16e36025dbe230f6f76

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
Signature0DrniZgyTfbQON77ToF1Rl50APjxpyXeb0M315amBSDUbni6GtUe17L4kPh5J3kHdFtyhfd0+U35KZ+l4REkCg==
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

2026-10-07T04:23:17.751607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861
observed 1cbd1d7a98a7dd0ffe04ffa905af5eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-07T04:23:17.731926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/manifest.json
observed 168004947ccddd5793b2f937d9daa81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-07T04:23:17.713951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/publication.md
observed 837acfeca21341d76e8ab3dafa30bb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-07T04:23:17.684665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/publication.txt
observed 8e869ffbd67fab5406f833e390a6eff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.696103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861
observed 1cbd1d7a98a7dd0ffe04ffa905af5eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.677451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/manifest.json
observed 168004947ccddd5793b2f937d9daa81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.657114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/publication.md
observed 837acfeca21341d76e8ab3dafa30bb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.638614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044861/publication.txt
observed 8e869ffbd67fab5406f833e390a6eff9...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent