OpenTechnical

OT-2026-000006045

Publication integrity record

Porous face vacuum gripper, two outlet manifold, pump 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-2026-000006045) never changes.

Identity and time

Publication numberOT-2026-000006045 · never reused
Internal UUID01a0a94d-6ea4-7f75-8be6-93f414320bdf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:19.241398Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006045
StatusPUBLIC

Content hashes

Canonical textc481190f2a683c0acc87e5f502566630de7f916a1174e0b246a746ff51e55294
Markdownca3ddf645d8b5517f0ac79d59c943e29bf32a57bef1b6b87180c9ea30c584fa9
PDF
Publication pagefe14a85bc0cc7794dfbd6ea4b8f5ab2947ad6903951e846d751aa9ae89a38a0d
Manifestaf54b065d5a9c970b56327fb555edf678cbe8d7f026d003f5b758f81ec8510cb

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
Signature04zjdv/DszGJt3D/m/eYB/p97tEg5mriMKGm7TZb/Snn3qOHB0jpEF+KVyPnuF5Woh6dZHQAuFJh1xhR50owCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:33.879213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006045
observed fe14a85bc0cc7794dfbd6ea4b8f5ab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.739453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006045/manifest.json
observed af54b065d5a9c970b56327fb555edf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.725979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006045/publication.md
observed ca3ddf645d8b5517f0ac79d59c943e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.711581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006045/publication.txt
observed c481190f2a683c0acc87e5f502566630...
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.