OpenTechnical

OT-2026-000010405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000010405) never changes.

Identity and time

Publication numberOT-2026-000010405 · never reused
Internal UUID01a0ae6c-0ee6-7893-9f62-c5d583cc46a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010405
StatusPUBLIC

Content hashes

Canonical text49b9c2a9a5bc202628cd253c7fde70609788b643c77ae3ef61b9a05544542df6
Markdown2961071991f9e0bb396aea8e93223609ac5375cac226f82e9c4d4ba54c4a543f
PDF
Publication page2ae1ab0b8a93f845fdd2e05e690c4e61a65869677f4270871007991a5db0156e
Manifest92eaf8042c13e500dacd6c4954ff6fefc971735445fad9a22aaa95d7853c2c7a

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
SignaturehRYYiQijp6+jSVTBflT2zxN7nV9uN/Zf50QrYpIX66ASN0/sS3JDL5hSW61N9MRiApJsvlaoMtEI4Av74l9oDA==
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

2026-09-17T12:14:31.817833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010405
observed 2ae1ab0b8a93f845fdd2e05e690c4e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.797810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010405/manifest.json
observed 92eaf8042c13e500dacd6c4954ff6fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.776123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010405/publication.md
observed 2961071991f9e0bb396aea8e93223609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.756168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010405/publication.txt
observed 49b9c2a9a5bc202628cd253c7fde7060...
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.