OpenTechnical

OT-2026-000011372

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, vented after 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-2026-000011372) never changes.

Identity and time

Publication numberOT-2026-000011372 · never reused
Internal UUID01a0ae6c-88fe-78fe-a266-56af5147d34e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011372
StatusPUBLIC

Content hashes

Canonical text1abca750be73c2c6233d2310b966d6abb1baadc1687dbc422a552ef2a54a7f51
Markdown0dba2f818ce89aea03dc0c1a0cf745656833e8ccbf11367faa7b8aea863962ec
PDF
Publication pagea4f3def97f949cfc598c5ef7bafccaf197ea4dc710c8afdd98cc0c2bae63147c
Manifest868506a4263745d5d8c772ab9d7cd3a6f97c707941fcef331722e1eabc5c3b07

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
Signature8P8AGudK/wMIB6mo1AKlT8bjc6LS7XMoEuOBtnIZCBnirrwTRF8lLXkoCmmVIHgS8QkWWiHBfhY64IPPeBmNAQ==
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

2026-09-17T12:13:06.669191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011372
observed a4f3def97f949cfc598c5ef7bafccaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.632963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011372/manifest.json
observed 868506a4263745d5d8c772ab9d7cd3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.614442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011372/publication.md
observed 0dba2f818ce89aea03dc0c1a0cf74565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.578058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011372/publication.txt
observed 1abca750be73c2c6233d2310b966d6ab...
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.