OpenTechnical

OT-2026-000067701

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067701) never changes.

Identity and time

Publication numberOT-2026-000067701 · never reused
Internal UUID01a0ae8f-6bdb-74bd-9b3c-d895a1d7f4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067701
StatusPUBLIC

Content hashes

Canonical text39a4c3edfb4f6ca67fe20c5da1da96c54f6413a9ce8377a8788066424e700805
Markdownca1f03b3428cae1cbf91266a8b73b9e6904567eb03907015bd91cbc09ec9871e
PDF
Publication page42e791bfbe7fe4f9fa35e224f6ed1dba90e0f03d921d9db63f7e0dfdb5bd0542
Manifestbf5c43ab515eb6e01841f717ac7708404eadf00f805148e427fe5dcc5d769aea

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
Signature/Db6l5vg3F+8ZAhEwM+h4+KK4WSvfRURfKkrCXHAkSG0+NNyy1Jn0HfcPlwUUX3POGP4kQ4fchGyAREfDDhuAA==
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

2026-09-17T10:32:02.718966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067701
observed 42e791bfbe7fe4f9fa35e224f6ed1dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.699546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067701/manifest.json
observed bf5c43ab515eb6e01841f717ac770840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.679537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067701/publication.md
observed ca1f03b3428cae1cbf91266a8b73b9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.660608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067701/publication.txt
observed 39a4c3edfb4f6ca67fe20c5da1da96c5...
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.