OpenTechnical

OT-2026-000063609

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000063609) never changes.

Identity and time

Publication numberOT-2026-000063609 · never reused
Internal UUID01a0ae8c-f945-75cf-8ada-21be03d35113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063609
StatusPUBLIC

Content hashes

Canonical text66c8415ab4d061184ef7112501d7a4cbe613c9cba85cc503c8995a258478ac59
Markdown486f28c500cf5b469327d84545ddf7b0c276964cd605e5acb43065b33d53872d
PDF
Publication page14c723228205acb71e2b9225dfd49bf8e611ba4d503c7f722be23654db02fb2d
Manifest689e429fe14b668938918305e7efc37556b2680b3edaa3e54bcca1d18b9a4db7

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
SignaturexO8D42UhecRyZIRe1Q3i77XUC3ASxV3kRMeVwNDCVpLX+F7H7cC6427BaJlJRXEeOxeRc7U49JU/e5Mi82C3CA==
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

2026-09-17T10:37:37.958401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063609
observed 14c723228205acb71e2b9225dfd49bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.939629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063609/manifest.json
observed 689e429fe14b668938918305e7efc375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.920619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063609/publication.md
observed 486f28c500cf5b469327d84545ddf7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.901947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063609/publication.txt
observed 66c8415ab4d061184ef7112501d7a4cb...
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.