OpenTechnical

OT-2026-000020397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020397) never changes.

Identity and time

Publication numberOT-2026-000020397 · never reused
Internal UUID01a0ae6f-437b-7c0b-b732-a5dda8e0dc34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020397
StatusPUBLIC

Content hashes

Canonical textf293f5601d06f63e4118070522b99f07e06d0120aa3417cd994aa5bd5a0549d9
Markdownb2c0c3c44ad29a191b03f9413fd30522741d7120cf6e49b7a2b2da47161a56f4
PDF
Publication pagea623366f18103b70815e94f2bfbb28609c80cf356da0463836dada17b95ef313
Manifestbeaa383b7fdcb72ecec2810a51679cec32afe3dc2cd733c9a7ab26d5731f418a

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
Signature3mz8qO6ut5Q4yZyXc6L0Xo/zrYrbu1+v6DAzCrNDIscLXXbBxdVdlF6u/krC0TCRnX6GZVOXAAHdOV9bTPOfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:00:17.494783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397
observed a623366f18103b70815e94f2bfbb2860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:17.472109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/manifest.json
observed beaa383b7fdcb72ecec2810a51679cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:17.444624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/publication.md
observed b2c0c3c44ad29a191b03f9413fd30522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:17.386860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/publication.txt
observed f293f5601d06f63e4118070522b99f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:22.266702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397
observed a623366f18103b70815e94f2bfbb2860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:22.246653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/manifest.json
observed beaa383b7fdcb72ecec2810a51679cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:22.229688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/publication.md
observed b2c0c3c44ad29a191b03f9413fd30522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:22.211076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020397/publication.txt
observed f293f5601d06f63e4118070522b99f07...
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.