OpenTechnical

OT-2026-000015241

Publication integrity record

Single cup vacuum gripper, 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-2026-000015241) never changes.

Identity and time

Publication numberOT-2026-000015241 · never reused
Internal UUID01a0ae6d-ef48-7b50-9713-69b80f6a3223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015241
StatusPUBLIC

Content hashes

Canonical text1eb5ea44f796f537fec6ce078050cfd7a298a17cb081fe99dd2e6d6787333d13
Markdown85fa73193da9e54af8dd00b6cee534c98dc5f387a1e42ff1f1a84c0be473c5dd
PDF
Publication pagee5afbacce860c9576a3a63782f6595b9bc476eb71d6d5c4a4533c48560f44a2c
Manifesta646995811e8ffda85fb32f1e42943629b865431858de8b87a176075f48ffafb

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
SignaturetStbXRYa+Gt/Kof7iActuzAAaGj3cs68G3SuwK0Y1vs4GCg4X7OqKiIfX/DThN3kM7xJKGtRbiXPvnCDs6EsDg==
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

2026-09-17T12:05:53.182779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015241
observed e5afbacce860c9576a3a63782f6595b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.163823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015241/manifest.json
observed a646995811e8ffda85fb32f1e4294362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.146145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015241/publication.md
observed 85fa73193da9e54af8dd00b6cee534c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.126281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015241/publication.txt
observed 1eb5ea44f796f537fec6ce078050cfd7...
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.