OpenTechnical

OT-2026-000062849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062849) never changes.

Identity and time

Publication numberOT-2026-000062849 · never reused
Internal UUID01a0ae8c-94a7-76c5-87ab-98c63948f2f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062849
StatusPUBLIC

Content hashes

Canonical texte754eeec0979260407bea9f0703086210f90481b367947068eb4f8133037a09c
Markdown0465758d76bdec56ba2b0da8d88eee930d0c7299f2778f5f077e5229fc7f08dd
PDF
Publication page01350216773cba787389f8deef6ac5fd05449828003470cb86ee62750aad2b63
Manifest827fe0e0627f78a5300eb918d98cabcbf6ec18235a686e4ea9d547124c3b30ef

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
SignatureeJXoasXuFg2NWYXlKDQxCLhMiBp7u5X+3wz8dBODgy+CHIUHarD7da2Vi+qcdMFEZcaNRKsfOdeEgxVFdyR1Aw==
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

2026-09-17T10:40:11.615975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849
observed 01350216773cba787389f8deef6ac5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.594588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/manifest.json
observed 827fe0e0627f78a5300eb918d98cabcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.572911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/publication.md
observed 0465758d76bdec56ba2b0da8d88eee93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.549646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/publication.txt
observed e754eeec0979260407bea9f070308621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.709267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849
observed 01350216773cba787389f8deef6ac5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.692220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/manifest.json
observed 827fe0e0627f78a5300eb918d98cabcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.675678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/publication.md
observed 0465758d76bdec56ba2b0da8d88eee93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.657558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062849/publication.txt
observed e754eeec0979260407bea9f070308621...
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.