OpenTechnical

OT-2026-000076508

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000076508) never changes.

Identity and time

Publication numberOT-2026-000076508 · never reused
Internal UUID01a0ae94-6a71-7cfe-a7d0-336386d07e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076508
StatusPUBLIC

Content hashes

Canonical text87c9e9271708217d91c9bb2fdfede8e5ef51603cefdb0943fc4b2afe3de6e919
Markdowndc86b7a1bda811b4cd463056bd25fec7020a495f58b141e821d6cda2ae813030
PDF
Publication page91a1343610771d0cf07782f5c9d7f572b0a498d5c3f72b2baaed453e3ac33938
Manifest1cb41f1595faf020025ac314350ab2393201c5652d026512b1a5ded7304d409d

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
SignatureSBHmdoUQ+0/+1HXovX6ctOg0ZEC9nzDYCZhkGIBMvN9K0p+aFqyTat3eMsWokLRPiE2f5Si47Prlkzejj+pVBg==
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

2026-09-17T10:12:48.020978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076508
observed 91a1343610771d0cf07782f5c9d7f572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:48.001542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076508/manifest.json
observed 1cb41f1595faf020025ac314350ab239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.981248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076508/publication.md
observed dc86b7a1bda811b4cd463056bd25fec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.959811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076508/publication.txt
observed 87c9e9271708217d91c9bb2fdfede8e5...
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.