OpenTechnical

OT-2026-000063797

Publication integrity record

Four cup vacuum gripper, four 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-2026-000063797) never changes.

Identity and time

Publication numberOT-2026-000063797 · never reused
Internal UUID01a0ae8c-f947-7b37-a208-2f8495f905fe · 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-2026-000063797
StatusPUBLIC

Content hashes

Canonical text1157fd807f375545f26fb31b4dc38c9f26b4a3417bca98e2790501ccb5e7aee5
Markdown9c341bf6eaf2cd5908f2204fbc79832983f065f82b8f1197c93e5dc4699a3b03
PDF
Publication page1dcc42a9460491875401a908171ac52f025b08cc134ff8edd4b8fb41ed43e434
Manifest2efe34c28410669d91bfb1d8864168167e35d79a2f73af4dca2d0420a72e8101

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
SignaturepbSb63cqqcMYS5PcR8g8hwK8NivcQ+DnQpogXG6GitWCYD/Hn8EaI+bXGaP13HfhU+WLqWI2X7xvXSGo/5b3Dg==
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

2026-09-17T10:40:05.756559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797
observed 1dcc42a9460491875401a908171ac52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.731361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/manifest.json
observed 2efe34c28410669d91bfb1d886416816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.708040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/publication.md
observed 9c341bf6eaf2cd5908f2204fbc798329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.683646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/publication.txt
observed 1157fd807f375545f26fb31b4dc38c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.716553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797
observed 1dcc42a9460491875401a908171ac52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.697925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/manifest.json
observed 2efe34c28410669d91bfb1d886416816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.680353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/publication.md
observed 9c341bf6eaf2cd5908f2204fbc798329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.659453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063797/publication.txt
observed 1157fd807f375545f26fb31b4dc38c9f...
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.