OpenTechnical

OT-2026-000066951

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066951) never changes.

Identity and time

Publication numberOT-2026-000066951 · never reused
Internal UUID01a0ae8f-14fd-79ad-9208-ef6cbf8e6458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066951
StatusPUBLIC

Content hashes

Canonical text7114490a2f83ed1b3d6ee672e4a523aaaf0379675c24f93822e7c1b4fa2b6700
Markdown92ebc75b3570dd369dfb644b0e7976082613459222efc3858835f00f49b96b5e
PDF
Publication page796e291e979d1cdcb0bbe0bef577ccca975a7c69339a50d1578701089c982858
Manifest7526b04653d05fb80f66a25cbf926167ba70847f76f313294a00284f7aa31981

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
SignatureST7uRxDKWAZqUEw7Dm3oIGxEcZDEfDun4n00OMx55j7HVNj7lrqACfpc9tmwqiZRZf5P2gTdnspk3/9F5xKVDA==
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

2026-09-17T10:32:09.960299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066951
observed 796e291e979d1cdcb0bbe0bef577ccca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.940026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066951/manifest.json
observed 7526b04653d05fb80f66a25cbf926167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.922283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066951/publication.md
observed 92ebc75b3570dd369dfb644b0e797608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.903854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066951/publication.txt
observed 7114490a2f83ed1b3d6ee672e4a523aa...
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.