OpenTechnical

OT-2026-000040249

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040249) never changes.

Identity and time

Publication numberOT-2026-000040249 · never reused
Internal UUID01a0ae79-26ff-7d46-a120-9129cc30be09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040249
StatusPUBLIC

Content hashes

Canonical textb738ca9ddb7b766aa00089697d20f54312cb2269995a0bd5fb9127c59ae406ff
Markdownfd4f41620f1a13f1d3e9429051114ae6f89f8327000ac56d89d1a5e3935b6385
PDF
Publication page5286d5a61441c2a8dad7c0df084dc37b791de7f4dc3dc2ed9c70ace3fb36a7e6
Manifest0c25d70e6e47ffc0166c006d1536acf224110631aa1241999a5d09c9399bd449

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
Signature8sgeTi6BtjQlx2lhUlq2QpR0E2zHxVvIzuTfDRn0jswWz0EBE+TUN3Dno8iYMZqKmjuq6KOx7+oS9ZfkqhMiDQ==
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

2026-09-17T11:19:08.671872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040249
observed 5286d5a61441c2a8dad7c0df084dc37b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.653994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040249/manifest.json
observed 0c25d70e6e47ffc0166c006d1536acf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.635995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040249/publication.md
observed fd4f41620f1a13f1d3e9429051114ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.617700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040249/publication.txt
observed b738ca9ddb7b766aa00089697d20f543...
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.