OpenTechnical

OT-2026-000020514

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020514) never changes.

Identity and time

Publication numberOT-2026-000020514 · never reused
Internal UUID01a0ae6f-437c-75b6-a4d3-d1706074d19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020514
StatusPUBLIC

Content hashes

Canonical text699226f00c6be62eb5d2a16c04558165e2b1d7e0f08b7520b7a2e900edb791e9
Markdown6430eca51356260b464cdd22baad58a3af718f3dad1898aed78e0c075c1ba0d5
PDF
Publication page6fd78b200eb353ac99882f2cc18bbaf02cbabe3cb2522dcc91fc358dea8027f2
Manifest447a44bf69ab3e9f03d5c175c592baa6b479cac7d4c5c21dca2e6744f5c51dad

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
SignaturesDmrM2oBRDFciWKIN/8HASILaSpT0YEdWYGBQDeuJFLTYFJI2hbP4bYFKkSCKI7S61MpTOPZEcijbed0v0esBg==
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

2026-09-17T12:00:28.840755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514
observed 6fd78b200eb353ac99882f2cc18bbaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.820992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/manifest.json
observed 447a44bf69ab3e9f03d5c175c592baa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.801629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/publication.md
observed 6430eca51356260b464cdd22baad58a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.783971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/publication.txt
observed 699226f00c6be62eb5d2a16c04558165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.856986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514
observed 6fd78b200eb353ac99882f2cc18bbaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.839800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/manifest.json
observed 447a44bf69ab3e9f03d5c175c592baa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.822036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/publication.md
observed 6430eca51356260b464cdd22baad58a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.803905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020514/publication.txt
observed 699226f00c6be62eb5d2a16c04558165...
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.