OpenTechnical

OT-2026-000026746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000026746) never changes.

Identity and time

Publication numberOT-2026-000026746 · never reused
Internal UUID01a0ae71-f4ab-7086-96bd-1012c0dbca02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026746
StatusPUBLIC

Content hashes

Canonical text578e859b3ac9b1b4ef720da9cd308552e29cc96f341fbc617417ca5a1ed6f1b7
Markdown0cb150ecf5cf5827ed69157b3f5178a0154052348a7dc2dd297d5a07c403433f
PDF
Publication page13fa87457fdce530b51e6200d014c614c71be896c22b82cc11f296be3378f8cd
Manifest3771e89d02ba32df328fb6fd970e49b967149e374dd036dd78e717fb04cab2d7

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
SignatureVnTnQn3mrFw6Ffwg7RDuV2d2YLe2Mk/j//1/xzN9SADUvvMMALqp3TKQ6FThJZZyyK2enPd3/uwR1gOuMX4RCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:56.012968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026746
observed 13fa87457fdce530b51e6200d014c614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.997195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026746/manifest.json
observed 3771e89d02ba32df328fb6fd970e49b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.980963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026746/publication.md
observed 0cb150ecf5cf5827ed69157b3f5178a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.962219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026746/publication.txt
observed 578e859b3ac9b1b4ef720da9cd308552...
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.