OpenTechnical

OT-2026-000071422

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000071422) never changes.

Identity and time

Publication numberOT-2026-000071422 · never reused
Internal UUID01a0ae91-e0ed-747b-bc20-0370a01e16a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071422
StatusPUBLIC

Content hashes

Canonical text826baae25926f41c5dda161acbd99d44bf8d9ff87f769e68631ed12e72ab868a
Markdown69d72631654ae9d3c7c1ff463298ee396a2abc96609bd0ab0868dbc4104a9eeb
PDF
Publication page322be351a6a4fd46bfa6f3d2551951a68d26f38325b962041643c46fcf85062c
Manifest7950cfffeebe29f299502526cd76fbcc42570d8ac235d6d375a4f3ffc94bd71c

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
Signaturemh1b+uLtTYLr+pfE3f0+cwYJE19LIzrhhFGTejv0N2CFsEIhoFliBjzhjTOtpfC9UKEBCBD/tS55qz7R5IJmCw==
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

2026-09-17T10:25:03.439646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071422
observed 322be351a6a4fd46bfa6f3d2551951a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.422447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071422/manifest.json
observed 7950cfffeebe29f299502526cd76fbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.404628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071422/publication.md
observed 69d72631654ae9d3c7c1ff463298ee39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.386851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071422/publication.txt
observed 826baae25926f41c5dda161acbd99d44...
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.