OpenTechnical

OT-2026-000038658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000038658) never changes.

Identity and time

Publication numberOT-2026-000038658 · never reused
Internal UUID01a0ae78-2d55-7b61-8094-5bf8f078a2d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038658
StatusPUBLIC

Content hashes

Canonical textd866386bb0723777a960454cc2e6c21395b7b651c9747c473a430683f968579b
Markdown3f53535eb113c6c3a14327aaf462250fb7b0d6675d42696585453b196941a7c0
PDF
Publication page08a692a8efea175fc9d45552704a087985ccf47e96e7f974dec163080d6c150c
Manifest2cb83709ce119435a14f6f1ad0924829cb3b0790d627136429882837878484e2

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
Signature7SqjQv6pCQokjQBl5i/0AYHq7pJPOOzY0KbibUeO2ViAGtJGvT1+hAAfSi7QlYxBjvDIVWEQMkc3zuM35CeBDg==
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

2026-09-17T11:22:57.396218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038658
observed 08a692a8efea175fc9d45552704a0879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.378804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038658/manifest.json
observed 2cb83709ce119435a14f6f1ad0924829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.361134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038658/publication.md
observed 3f53535eb113c6c3a14327aaf462250f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.343264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038658/publication.txt
observed d866386bb0723777a960454cc2e6c213...
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.