OpenTechnical

OT-2026-000073584

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000073584) never changes.

Identity and time

Publication numberOT-2026-000073584 · never reused
Internal UUID01a0ae92-efb9-7ae5-b526-4f00f811e923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073584
StatusPUBLIC

Content hashes

Canonical text71c9ebacf2f7988c7d5b9d91a18634b69ffd1bf1ad656b555a92275772768600
Markdown5f45765ae3af575d7c2ce63d6dc7e42e30204fe2f232572273b21b8948edd420
PDF
Publication pagee8e4f6d1b541c0c0a28b8a7826e25b30b1b8135f6df777cb24d54c2a54be45e1
Manifest325ddb773f04d40c620ab19564455d826137ffb23b7124e6b79d067cc8e5bcf2

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
SignatureB2LfR/Ug3qiJJIogEoslDV7zmM8Lw3VvaL2/soHegKcLiKchP3fYUK6XeGz207rvdHwdjPiOWYvEWWyQIDroBw==
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

2026-09-17T10:21:45.756701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073584
observed e8e4f6d1b541c0c0a28b8a7826e25b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.738579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073584/manifest.json
observed 325ddb773f04d40c620ab19564455d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.719866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073584/publication.md
observed 5f45765ae3af575d7c2ce63d6dc7e42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.702062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073584/publication.txt
observed 71c9ebacf2f7988c7d5b9d91a18634b6...
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.