OpenTechnical

OT-2026-000073305

Publication integrity record

Two 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-2026-000073305) never changes.

Identity and time

Publication numberOT-2026-000073305 · never reused
Internal UUID01a0ae92-efb7-7d77-971e-c49e42b2b521 · 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-2026-000073305
StatusPUBLIC

Content hashes

Canonical textcd439de6cd0bc52b0c2f4a028ec7006da083c215bc69391f15f4422e227936c5
Markdownb461a84a6f602cf759a0ae2b37597263118038e3568a2334dcab403e5a46f0a6
PDF
Publication page6edba44ac475ddac4e101e744cbef79e79e52738bd0557d670b577e5f5932e78
Manifest7f08d7ef686c73de011d411e30f287b08f3c69c801ac9aca2c148ed3e55408f2

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
SignaturekQDgYGrDaWs2e0Xx+8JxfD29tKmWLM4g2zcSCw09q00XgfxIUOadZ4UKx1PzBDzdX7MiqiVYFhoVtepQjocZAw==
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

2026-09-17T10:21:18.988334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073305
observed 6edba44ac475ddac4e101e744cbef79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.971250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073305/manifest.json
observed 7f08d7ef686c73de011d411e30f287b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.953188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073305/publication.md
observed b461a84a6f602cf759a0ae2b37597263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.932933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073305/publication.txt
observed cd439de6cd0bc52b0c2f4a028ec7006d...
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.