OpenTechnical

OT-2026-000043554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000043554) never changes.

Identity and time

Publication numberOT-2026-000043554 · never reused
Internal UUID01a0ae7b-92cf-774b-8ae3-fbf015b583c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043554
StatusPUBLIC

Content hashes

Canonical text0adbfc7bf16b5577083ec47740a7ed2c917fa20e5e0447e29bf2f235e6a9c90f
Markdown59a9f07646d4de7839f12d3805dcbfce1c1abb893645449db3f709c13889178a
PDF
Publication page0d688232069e0c2467d4b418b9320f483e9d5d58346d9083bf0f4f6688d7fde9
Manifest036baad948421d0450f1c99e9349325672fded825469cdbb62138ed5ece77f8e

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
SignatureTT95Lik9LnEiUsTf42o79wPS2nVv6sx5QTbVLF/Wqaspwv5z3uZmuRHmTRumAznD4j2MZ6cWoHjWxmq+qlzEDg==
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

2026-09-17T11:12:56.643285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043554
observed 0d688232069e0c2467d4b418b9320f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.618098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043554/manifest.json
observed 036baad948421d0450f1c99e93493256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.595853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043554/publication.md
observed 59a9f07646d4de7839f12d3805dcbfce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.576294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043554/publication.txt
observed 0adbfc7bf16b5577083ec47740a7ed2c...
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.