OpenTechnical

OT-2026-000040498

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000040498) never changes.

Identity and time

Publication numberOT-2026-000040498 · never reused
Internal UUID01a0ae79-6d0d-7be3-ae3f-e9737fb91a23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040498
StatusPUBLIC

Content hashes

Canonical text89bfb2ca2d9b06dc31b321a091912b54a9136ff4a5581b60b3a0d73943c387fd
Markdown2327bcf40a5462dab5da5e8a3407fa7744180cf5bf614fcbd2e9e557a691983d
PDF
Publication page4b4f87a1485e31e4afa821990d25b0fa93b429d5d54799967d8213bd9954a010
Manifest91016c018e289352750562d86e0ae6d46a834b6870db1d402fc36b44de5de61a

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
SignatureCdOdJxBtiXDVgq3dl0axxX+KNv6Xrv6SJNix5GNjw1NbFymo5biau27yeCEqEN/YExvGK9b2J68MWQVCFPn9Bw==
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

2026-09-17T11:17:32.684941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040498
observed 4b4f87a1485e31e4afa821990d25b0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.666494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040498/manifest.json
observed 91016c018e289352750562d86e0ae6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.648790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040498/publication.md
observed 2327bcf40a5462dab5da5e8a3407fa77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.630572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040498/publication.txt
observed 89bfb2ca2d9b06dc31b321a091912b54...
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.