OpenTechnical

OT-2026-000074778

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000074778) never changes.

Identity and time

Publication numberOT-2026-000074778 · never reused
Internal UUID01a0ae93-ac2c-72a8-a4e0-68836dd76373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074778
StatusPUBLIC

Content hashes

Canonical text2203b802cbbc5e342d205206dd9658809a2ce25dc501c5b2a8228534e45dcb45
Markdown4985a29d006a7e87c88d20801672655d896445a217b097c7666fef080b1e48f2
PDF
Publication page1a426cff67564ff99de3d53b6f633e895fd1a0e65d5c2ade1e73edc1b87cf163
Manifest7c5c810c1d800b38c3d36af5c448ec43b331e4d87723e07b5e8cc937d6a3d81f

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
SignatureBbDvh/EMuj/7ptd8JHYl7r7pYSNVrO25tExXiw9/+00qC70XhWn4tNymaWz2vKTwzaSdJUw9HIKOB5KtWBK/CA==
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

2026-09-17T10:18:28.512987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074778
observed 1a426cff67564ff99de3d53b6f633e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.495028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074778/manifest.json
observed 7c5c810c1d800b38c3d36af5c448ec43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.476357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074778/publication.md
observed 4985a29d006a7e87c88d20801672655d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.457999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074778/publication.txt
observed 2203b802cbbc5e342d205206dd965880...
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.