OpenTechnical

OT-2026-000007659

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000007659) never changes.

Identity and time

Publication numberOT-2026-000007659 · never reused
Internal UUID01a0ae62-76bd-75a8-b54e-4cfad4c5ab9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007659
StatusPUBLIC

Content hashes

Canonical textbcd4c2883e0f1a3c003c5c1f30744134b9119f0f14727195c9e446ca7ffa96ca
Markdowncbf55dda5169eb8949fa5893160a3ffa388bcc8774f2777430a7acd2e68892dd
PDF
Publication page54dda3fc66bdfbac033f1fd3f80135ba1600d07855b6be13865c555c6db80160
Manifest6afc59cfdd72180e9a7b86360dd5751d1ea267a8c2537af6cea548e6c97cc961

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/so9/SmzqgFljLMM29bsYGtfzeXjS8Q7wUkKfDcmRi4+ML10hZ+/QWAHY45c4dDPyzq85YEP4auLdenCB4IRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.860077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007659
observed 54dda3fc66bdfbac033f1fd3f80135ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.841752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007659/manifest.json
observed 6afc59cfdd72180e9a7b86360dd5751d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.822475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007659/publication.md
observed cbf55dda5169eb8949fa5893160a3ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.804927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007659/publication.txt
observed bcd4c2883e0f1a3c003c5c1f30744134...
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.