OpenTechnical

OT-2026-000074334

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074334) never changes.

Identity and time

Publication numberOT-2026-000074334 · never reused
Internal UUID01a0ae93-7179-7f62-bd38-cfc78b5b4e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074334
StatusPUBLIC

Content hashes

Canonical text9f7a23a054fbeea9ee2a6ccd9b84c33bda797f030a1da289f77e911b00ba2ddc
Markdownd79cc3cd8d27619ae804f705ebd6cf4fe044752db4e11e45e2ca42f3d552fa01
PDF
Publication page9e446b4a56b50828d458d683a8015150e000860b012d3bca6a22d99a5fd87416
Manifest0ea9c2d703fab0b65626a0db9fe9c36ca94893578e067db5a4fb5e418a740977

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
Signature/kRmpPVhiKa9jMKqObOim1CryHcSa4JrmcZ0UD/3F1hBTg3hqP6kJeLDorhL4kzxMmPYcOS4kUOm5Jde+CTDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:15.240298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074334
observed 9e446b4a56b50828d458d683a8015150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.223848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074334/manifest.json
observed 0ea9c2d703fab0b65626a0db9fe9c36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.205998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074334/publication.md
observed d79cc3cd8d27619ae804f705ebd6cf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.189414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074334/publication.txt
observed 9f7a23a054fbeea9ee2a6ccd9b84c33b...
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.