OpenTechnical

OT-2026-000071613

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000071613) never changes.

Identity and time

Publication numberOT-2026-000071613 · never reused
Internal UUID01a0ae92-1e90-7b36-98da-426843846880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071613
StatusPUBLIC

Content hashes

Canonical text405d4d7d7bbf096edafa7f07cd6eee997cabcee23ca23ec01b8398bd92229d4a
Markdown07abf514abe9a527a72a09566405cdda9b88e10c1aa8e733ea278f543334ec41
PDF
Publication page39122bdca354d4ceeba9663eeb58abc6b82e9cf23c13bb31e002a28a4f930dbc
Manifeste463af22025866ad14ee8141825296ffa0bf8d5de2eb224eb7d73efd65602260

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
Signature6dbtcUsPDhvFC+qNvU6Ik5NJxra8raH+fj/OCPZ68EsmFbLR9c5y4P8XBdg1nM3VweTPdgwyxqFAqwDIGbXADA==
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

2026-09-17T10:23:38.819577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071613
observed 39122bdca354d4ceeba9663eeb58abc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.801350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071613/manifest.json
observed e463af22025866ad14ee8141825296ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.781885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071613/publication.md
observed 07abf514abe9a527a72a09566405cdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.761303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071613/publication.txt
observed 405d4d7d7bbf096edafa7f07cd6eee99...
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.