OpenTechnical

OT-2026-000011180

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, sustained blow-off 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-2026-000011180) never changes.

Identity and time

Publication numberOT-2026-000011180 · never reused
Internal UUID01a0ae6c-540f-7a16-a6f8-95676355db7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011180
StatusPUBLIC

Content hashes

Canonical text88aee38d56d193d0b3cea32e7758462e186c41864c8a8b0ac7641de5d15c24ad
Markdown782c1ce6947a1c2cbc135117d8a9184429352100af7ab3ac0227dab5bb01dc04
PDF
Publication pagedf5b6545b3049e30a61f8a4b87e175601a85ac8b504988959d2244869cbbfe0e
Manifestf226b39670f9ab977bf00828b24f6799d72a39af0130b0b7de5855a72c3f7f21

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
SignaturekPS44mZ5YjUOgApq/znmjwquRNKAFACSUcaoJUUsB+wuXCQ+lAkOos/NFdGZ1PUg9J7t3DZNZ6upaISpCI5zAg==
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

2026-09-17T12:14:07.261737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011180
observed df5b6545b3049e30a61f8a4b87e17560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.242279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011180/manifest.json
observed f226b39670f9ab977bf00828b24f6799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.222132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011180/publication.md
observed 782c1ce6947a1c2cbc135117d8a91844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.199371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011180/publication.txt
observed 88aee38d56d193d0b3cea32e7758462e...
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.