OpenTechnical

OT-2026-000066453

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000066453) never changes.

Identity and time

Publication numberOT-2026-000066453 · never reused
Internal UUID01a0ae8e-ce40-71f7-9a9a-7d1906cccd8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066453
StatusPUBLIC

Content hashes

Canonical textf26cf0a3a7c7c8e234445fa152aca8c03aa3bd389ba0907fabb227186a83514f
Markdownf14400f239e30a08b4e506b88855c5cca07e00afb7216976db2f721a8051f583
PDF
Publication page57a138ea53e287d30c27e1d4d92488503518d1f120f527edc614f0292185a8b4
Manifest23a51ac445e344e10e274f4bee4c20cababfb337f9c30f6aa6237b2a96ec79b6

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
SignatureeRHpyRsR7CbmuYf9zFGhoQS3+rmymhPH0wAamZoQfrcU/xVW7KyfIPhVuoiGYdbpth4eWFUo0iUSSarhusi+BA==
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

2026-09-17T10:32:42.070748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066453
observed 57a138ea53e287d30c27e1d4d9248850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.055099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066453/manifest.json
observed 23a51ac445e344e10e274f4bee4c20ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.035970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066453/publication.md
observed f14400f239e30a08b4e506b88855c5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.018796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066453/publication.txt
observed f26cf0a3a7c7c8e234445fa152aca8c0...
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.