OpenTechnical

OT-2026-000087553

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087553) never changes.

Identity and time

Publication numberOT-2026-000087553 · never reused
Internal UUID01a0ae9a-cd52-76e7-891d-8c7d54280bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087553
StatusPUBLIC

Content hashes

Canonical text8b253a5bbd654127bc1005ea8b6cd08063f1f929618d187275dbb252dd00ca69
Markdowna1cd2901fbadf667ec7c191df7b70f90da2da82c5a68acc67fa38230638a9f8e
PDF
Publication page8feba463c8d0992bd09480518b6ff7830fbb78a894db8afbe64003d8c95e9aa7
Manifest50df5f53241e96b3e89799d5eb796f60c5dfa2b530e154de8ddd4c49a21c314b

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
SignatureT6B8h/Ynno4u3DDXK1DlY+jPLbcTJgt39Kgvrc7iEIMXeujmcneUFiIV5hCqMUGA+ZW+VKj6k7KHFyN8FFC9Aw==
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

2026-09-17T09:50:53.755353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087553
observed 8feba463c8d0992bd09480518b6ff783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.739668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087553/manifest.json
observed 50df5f53241e96b3e89799d5eb796f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.721357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087553/publication.md
observed a1cd2901fbadf667ec7c191df7b70f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.704217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087553/publication.txt
observed 8b253a5bbd654127bc1005ea8b6cd080...
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.