OpenTechnical

OT-2026-000077123

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000077123) never changes.

Identity and time

Publication numberOT-2026-000077123 · never reused
Internal UUID01a0ae94-f507-7837-a637-eefa36fc28a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077123
StatusPUBLIC

Content hashes

Canonical texte9a891309c7d3ff86e50d26218a068e45816050ca0a195055035690444485b33
Markdownf988743fccfaab203b7b80d31c2bd32293f05cbe2a355b7a6f5e8b7424df3a77
PDF
Publication page79a7615e81ff10dcc320442108036be335bde6a31e18d1ebdfcb8ac492cfe980
Manifest9b1be3f2fa0ea8310c26203c188ae4ceb3fc3e6ae3d1d6578dd8245581dc3836

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
Signaturec4lHXDTzOpFeyaI0maHtuu+4HATEduVYWqaZgEw2LBoDRC2fF+55PQ5yAlzaIg20+uKYyZMr4gxUtjhlQhYGAw==
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

2026-09-17T10:11:38.561627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123
observed 79a7615e81ff10dcc320442108036be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.541783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/manifest.json
observed 9b1be3f2fa0ea8310c26203c188ae4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.523266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/publication.md
observed f988743fccfaab203b7b80d31c2bd322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.503562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/publication.txt
observed e9a891309c7d3ff86e50d26218a068e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.645213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123
observed 79a7615e81ff10dcc320442108036be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.626539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/manifest.json
observed 9b1be3f2fa0ea8310c26203c188ae4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.607442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/publication.md
observed f988743fccfaab203b7b80d31c2bd322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.589113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077123/publication.txt
observed e9a891309c7d3ff86e50d26218a068e4...
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.