OpenTechnical

OT-2026-000045237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000045237) never changes.

Identity and time

Publication numberOT-2026-000045237 · never reused
Internal UUID01a0ae7c-f76a-7e79-b5b0-701677fc54db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045237
StatusPUBLIC

Content hashes

Canonical textfa0a853e8204540a46e92651cfb4a8c4db64437ec14490a3aab9ceec1531a3c8
Markdownafac35f104feb40abeb50526ef18e0a5b5d30cf29da12d16bfa9b2a80db6fffc
PDF
Publication pagec642984b2dc2d5966b605e3b77d17eb8ce8639591bf659177c388a9dc2094476
Manifestb3c55a547ef5dc827d0219c1b357b3412e21df1bba1c127c22897b90d6376414

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
SignaturepdkUiTh4IavVVIjNvd8rdvBdXNVORabhvdM30utmoiQOdCurxWbOQkyAAzpgzybetz1AUQa9SuXCv/O/BYmTBg==
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

2026-09-17T11:10:26.099801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045237
observed c642984b2dc2d5966b605e3b77d17eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.079806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045237/manifest.json
observed b3c55a547ef5dc827d0219c1b357b341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.060034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045237/publication.md
observed afac35f104feb40abeb50526ef18e0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.038956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045237/publication.txt
observed fa0a853e8204540a46e92651cfb4a8c4...
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.