OpenTechnical

OT-2026-000012256

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000012256) never changes.

Identity and time

Publication numberOT-2026-000012256 · never reused
Internal UUID01a0ae6d-39f5-72fa-a094-7430982c64b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012256
StatusPUBLIC

Content hashes

Canonical textccd78367a8bcb7d6f90c0c6cec45203d504f3a78a0e44ca9ff13e79498f6e29a
Markdown17c40a6ebd128d5a12c746a34a0113091d65af6dba655e39b280c6ea57236497
PDF
Publication page4611934ef8bf6ffb3bef70e3297cffa9cb0ab4244845d8549874a74933fe21a6
Manifest809137c447daf3ce1572a076f2e57fb69e2e27480859099d9aa88ed2eb26d15e

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
SignatureJav6WkIxoMWurWh1ik1VPtGsigS9mdAm1bvMH3Jge2TryFwxK5pt60fpQeNQTFzmhreqAB7GRlWgnfz87pd/CA==
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

2026-09-17T12:11:11.200200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012256
observed 4611934ef8bf6ffb3bef70e3297cffa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.180495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012256/manifest.json
observed 809137c447daf3ce1572a076f2e57fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.160465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012256/publication.md
observed 17c40a6ebd128d5a12c746a34a011309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.141197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012256/publication.txt
observed ccd78367a8bcb7d6f90c0c6cec45203d...
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.