OpenTechnical

OT-2026-000045537

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045537) never changes.

Identity and time

Publication numberOT-2026-000045537 · never reused
Internal UUID01a0ae7d-8f01-7a84-ad90-4c94d1a114bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045537
StatusPUBLIC

Content hashes

Canonical text4d819bdd91c8c1257f21699a29b6f403a5137a087b0782ffffbd9b0a546a325d
Markdown94026090e9f8daeb92eb0d9b697686df9ff85b96b5260fc48f45f23465f7f8a4
PDF
Publication page7c134e1c749a123aceeee2c17ce1331deabb56d35c6e2108d13061991d07e8af
Manifestf96eb2dcaaccf6540e29c697e27b80db9ed1a9e59496ef501b9df67722e42e87

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
Signature757evPwIl0EXg9qk0Ih0xWrrce+5WALBcexRe8EjitMbt4x2zAYWERmOKs8shUm9SxmajkFQPem8xRzFsNg7Cw==
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

2026-09-17T11:09:17.088486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045537
observed 7c134e1c749a123aceeee2c17ce1331d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.069994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045537/manifest.json
observed f96eb2dcaaccf6540e29c697e27b80db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.052011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045537/publication.md
observed 94026090e9f8daeb92eb0d9b697686df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.034843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045537/publication.txt
observed 4d819bdd91c8c1257f21699a29b6f403...
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.