OpenTechnical

OT-2026-000065725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065725) never changes.

Identity and time

Publication numberOT-2026-000065725 · never reused
Internal UUID01a0ae8e-46fb-74ac-a8df-f024cf4e0d5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065725
StatusPUBLIC

Content hashes

Canonical text2b15c09c7c900c4d389046f6711e7b8e8d58cf0f1d01a42b81a769f5964fead9
Markdown4d736b6decc2a37d9901875acf741438683b34a974836df15da176fbf43f58ca
PDF
Publication page6d320f8228ffe8bc3db5ac2547eff6fd72ec7ea2c867949edb24c697b4d39a95
Manifestf9931309a1cda85e1ab7785871c659e0960676faf5772a8277b7110ea718b66c

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
Signature0nmCdx4bD4w2/f9wVOH3VIjaO8ZgbEZcdqyEKAf5aPLgG/unSsTZexi1v3bsxYfFRa4+crJ5Sdhm/xiOJdZOCw==
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

2026-09-17T10:34:08.995960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065725
observed 6d320f8228ffe8bc3db5ac2547eff6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.976478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065725/manifest.json
observed f9931309a1cda85e1ab7785871c659e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.958576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065725/publication.md
observed 4d736b6decc2a37d9901875acf741438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.937475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065725/publication.txt
observed 2b15c09c7c900c4d389046f6711e7b8e...
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.