OpenTechnical

OT-2026-000025532

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000025532) never changes.

Identity and time

Publication numberOT-2026-000025532 · never reused
Internal UUID01a0ae71-5fa8-7e46-8e2c-7f7db278ed3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025532
StatusPUBLIC

Content hashes

Canonical textcba91b914ab3a1917d90f760bd188c1e6f2617278384700d88606e3e56b48b7e
Markdownf8bcc12367cbfaed6618071cda19204e259e22a00b0ab9698f433c906bf1429f
PDF
Publication page422f0f395e48bbc7c8f778cc62e4036f104f92068d5d4236df3a72ff1b48dd74
Manifest381e0a7fe72d091a5495f4e4dbcce833bb5ab9b0bb7c5b5dc1dba5b06793f79f

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
Signature4TwfJkE5pkev0AUrnRY2Gu7queFwM477Q8aNRaXug61JiiGRJ+nZzDbGM2QYV1K2Cy2fg6S2+LWuAzibz0U4Dw==
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

2026-09-17T11:47:40.617129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025532
observed 422f0f395e48bbc7c8f778cc62e4036f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.599016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025532/manifest.json
observed 381e0a7fe72d091a5495f4e4dbcce833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.579937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025532/publication.md
observed f8bcc12367cbfaed6618071cda19204e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.560278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025532/publication.txt
observed cba91b914ab3a1917d90f760bd188c1e...
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.