OpenTechnical

OT-2026-000058395

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000058395) never changes.

Identity and time

Publication numberOT-2026-000058395 · never reused
Internal UUID01a0ae88-f39a-7b0d-86cf-a5c0c8807c1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058395
StatusPUBLIC

Content hashes

Canonical text327765df7af8c54a3f02f9ddd670004405b747818f2b266077664a6ffdd8266b
Markdown436d55435dbae8a9cc0f74b17865bebfdad020d4e1ddaf993a8f674d25ea8204
PDF
Publication page962c0fd66325e7163474dcaf5bc80f738ef408730422defb7c5b2811e5047296
Manifestd958e128789b6459753ea29eccaf9009629f832f79738c5444347ecd583a1ffd

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
SignaturesiS9upZuK0treR3HX24c/WIt+FnemL+/uiscKTWuBdtbWZd5miiL08nWjZsfjNj5ZJ8xhiUTnWTplQjVpYFuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:49.440149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058395
observed 962c0fd66325e7163474dcaf5bc80f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.422746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058395/manifest.json
observed d958e128789b6459753ea29eccaf9009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.405190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058395/publication.md
observed 436d55435dbae8a9cc0f74b17865bebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.387779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058395/publication.txt
observed 327765df7af8c54a3f02f9ddd6700044...
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.