OpenTechnical

OT-2026-000043542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000043542) never changes.

Identity and time

Publication numberOT-2026-000043542 · never reused
Internal UUID01a0ae7b-92cf-7fbd-81e5-323c108bccdc · 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-2026-000043542
StatusPUBLIC

Content hashes

Canonical text558f1a5739efd24260963715c8bd48a721e29e7f996f8d3f9ffa34985c068d65
Markdown3b23fdf843db08c9d72ad1cdea220d4c3d5e9088d77f4e21f60ad0a9fb2c803b
PDF
Publication page3bb5ca2a7a989e03669ede6191c1463ef4aef6ce75f3897e2998cb6b6b96b837
Manifeste8ec9b4019b4909bc9bba483314e5e5e3f8fadc3be0aa6b4f7a16a4ac73b440b

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
SignatureaTF7J1Gel3D+bE5pFZX78bOTzVDaeP4pcEFHYJEZV1voCKVORGuluMs7mnFH5FZMKaX1R18VLZ1qTi/f1RY0AA==
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

2026-09-17T11:12:55.597363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043542
observed 3bb5ca2a7a989e03669ede6191c1463e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.576137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043542/manifest.json
observed e8ec9b4019b4909bc9bba483314e5e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.554821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043542/publication.md
observed 3b23fdf843db08c9d72ad1cdea220d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.532699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043542/publication.txt
observed 558f1a5739efd24260963715c8bd48a7...
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.