OpenTechnical

OT-2026-000043524

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000043524) never changes.

Identity and time

Publication numberOT-2026-000043524 · never reused
Internal UUID01a0ae7b-92cf-75c2-8085-4ce9a100889c · 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-2026-000043524
StatusPUBLIC

Content hashes

Canonical texta0b779eba493d46dbb6543736a532309b106cc3f2a854cdbe8b1e436274c7467
Markdowna0e7b942f985e15bddeabc7205cf7b8b5eaf8b87cc8a7a94b6a05229de572fec
PDF
Publication pageb5b3a13c10b53aef1d0d529c92f18242da52f7826d533c95c4a48d13eff4e78c
Manifestcb1d85a374a2ef484e0c3f64df0b91c03f1857e11db55101f0595b1706d7e6e9

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
SignatureqtrzOrDd+LBILfGuwTr9+6hHceqVNoM3t57JC1XdNFU2l2xSUxrEGBJu5p+Y4OkoJC9mdhizExS1Yxl+N3hKAg==
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

2026-09-17T11:12:53.992572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043524
observed b5b3a13c10b53aef1d0d529c92f18242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.974115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043524/manifest.json
observed cb1d85a374a2ef484e0c3f64df0b91c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.954186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043524/publication.md
observed a0e7b942f985e15bddeabc7205cf7b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.934945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043524/publication.txt
observed a0b779eba493d46dbb6543736a532309...
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.