OpenTechnical

OT-2026-000073275

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073275) never changes.

Identity and time

Publication numberOT-2026-000073275 · never reused
Internal UUID01a0ae92-efb7-74d0-b35d-fb1a991ed999 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073275
StatusPUBLIC

Content hashes

Canonical texta47b26808ebbde9d3475ea6cccf62833c1ed4da9cac117e0f01ba132b33fbf60
Markdown166c889e82ba214a9c35750be263682e5f74d4bda6f166fd760930c94fbb02e4
PDF
Publication paged663b7da0616e9dd13e35f41cbeae0969339d96088c782166000d753ed19884f
Manifestdc23a44828148a3c74ed4ea9ffb66b5809f68592665cee4a4a82fa543ef788fc

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
Signature9XL/KR23Qd5aoLd+y05r445v3NxR4YqroMrh19Zerz+q1GRJyU927W4TGcorXvMp80MnAWyukNR/5biq/wojDg==
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

2026-09-17T10:21:16.688409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073275
observed d663b7da0616e9dd13e35f41cbeae096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.670039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073275/manifest.json
observed dc23a44828148a3c74ed4ea9ffb66b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.649672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073275/publication.md
observed 166c889e82ba214a9c35750be263682e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.630749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073275/publication.txt
observed a47b26808ebbde9d3475ea6cccf62833...
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.