OpenTechnical

OT-2026-000076777

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076777) never changes.

Identity and time

Publication numberOT-2026-000076777 · never reused
Internal UUID01a0ae94-b06f-7d2a-85ad-fd0e8d6154d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076777
StatusPUBLIC

Content hashes

Canonical text21a80c719ce91a7b878a1e2dadd6d7e5a1878b74be7a8ed3119a413a78e79f83
Markdown7e3b9378fed525069048d5ee8c715b1e2921b37a91c662e87501e0bb53bc29a7
PDF
Publication page8fb84a857bdc0048f9a04a9cecf89e692134a238c6ca39b73c09991cec5dffb4
Manifest353183d7c458e46de75b9497b6e9f8bb48c574e4f8f18686d286a5bb4173f042

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
SignatureH9HWiLeTLLJiikEjTjWZmD1Nbz8VyuAVeoG825UscTnRZYPbMN7+N7eez7NmpUvPI9/q7pMJBY549mBW1A27Dg==
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

2026-09-17T10:09:30.293218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076777
observed 8fb84a857bdc0048f9a04a9cecf89e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.272896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076777/manifest.json
observed 353183d7c458e46de75b9497b6e9f8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.252703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076777/publication.md
observed 7e3b9378fed525069048d5ee8c715b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.134617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076777/publication.txt
observed 21a80c719ce91a7b878a1e2dadd6d7e5...
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.