OpenTechnical

OT-2026-000071279

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000071279) never changes.

Identity and time

Publication numberOT-2026-000071279 · never reused
Internal UUID01a0ae91-e0ec-7c3e-8d59-6a66608bb67a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071279
StatusPUBLIC

Content hashes

Canonical textd0d7a8fa5013939eec8325b8b2eefc59a8eaf3401c97a75bc812b8f86eea6603
Markdown71ed03526745ea43d90045d5696ee24cca769de08e9e41f3e306336e6141c32e
PDF
Publication pagee6bdcbd4335be00d52dc4e8fa546617c24f17954e3690f57175920dcef7da720
Manifest635ab2298dd25f94ac52a40822740191b91decea2ded1faef1ec1a6d4ab5098e

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
SignatureXgu331PN4rstHmwupN5fO3OCCuXorB8L1XxNDRvI8dA0Y8l2cBKMm36+Q2ypkxITEGVYvf+dn+4qQayaIxsDBA==
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

2026-09-17T10:24:50.510728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071279
observed e6bdcbd4335be00d52dc4e8fa546617c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.492695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071279/manifest.json
observed 635ab2298dd25f94ac52a40822740191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.475659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071279/publication.md
observed 71ed03526745ea43d90045d5696ee24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.457603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071279/publication.txt
observed d0d7a8fa5013939eec8325b8b2eefc59...
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.