OpenTechnical

OT-2026-000072356

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072356) never changes.

Identity and time

Publication numberOT-2026-000072356 · never reused
Internal UUID01a0ae92-47c3-7179-ba7f-c9818e14ea1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072356
StatusPUBLIC

Content hashes

Canonical text50fac09eec6f3f22645b938333fe741512e960bddd090b40099b15ef49d0bedc
Markdownf2c3f16bf051a8510f2c693b999f0220ffc80c535c12fe7b39f7ba611247b31f
PDF
Publication page8182685d40bb2d0a7f7d3382e4911bf886e729249605d6d4bfea05215c5d76cf
Manifest3f8a76f0e060e6925068bafb1689865e3dfce4e6d531b467ed480d3600425d7b

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
SignatureJB3+noCJbXmln13xETXDy6Xa9VreP9ZemIlYFufID+vH75rqV4eb7OSdU+tkxpP8q+ApikiA1zIq9sEjWAraDA==
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

2026-09-17T10:23:35.421501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072356
observed 8182685d40bb2d0a7f7d3382e4911bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.405646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072356/manifest.json
observed 3f8a76f0e060e6925068bafb1689865e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.389614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072356/publication.md
observed f2c3f16bf051a8510f2c693b999f0220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.373509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072356/publication.txt
observed 50fac09eec6f3f22645b938333fe7415...
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.