OpenTechnical

OT-2026-000073231

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000073231) never changes.

Identity and time

Publication numberOT-2026-000073231 · never reused
Internal UUID01a0ae92-efb6-7d4b-81ec-c56e1b438827 · 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-2026-000073231
StatusPUBLIC

Content hashes

Canonical texte15c95d50094bf58d88c602cee38185c5a13908b5064b416acd975fc09b4d9f4
Markdownc056cccba523c52b7816ca6bad9151479b833e79be26b8c6efe948b119e9fbe2
PDF
Publication page9951eb66f410630308f50a3cb7be8e80de0614552282575f733cb54ad2d34a0e
Manifest32ebb10e7eefee6393cb596dfb4aba95f392e7c8ae3094394024a3e0d58c2c93

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
Signature63VTduQpQcCvxs1xVZ4m2VOD2AejvSFfkggSH2GxMy88sEFbOK2AVUAl9qfKR915ByhgU52nMXTCaTPa3rhLCg==
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

2026-09-17T10:21:12.819877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073231
observed 9951eb66f410630308f50a3cb7be8e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.800885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073231/manifest.json
observed 32ebb10e7eefee6393cb596dfb4aba95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.782461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073231/publication.md
observed c056cccba523c52b7816ca6bad915147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.762138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073231/publication.txt
observed e15c95d50094bf58d88c602cee38185c...
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.