OpenTechnical

OT-2026-000039691

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039691) never changes.

Identity and time

Publication numberOT-2026-000039691 · never reused
Internal UUID01a0ae78-d8d5-7e82-8ee5-687b25827346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039691
StatusPUBLIC

Content hashes

Canonical text4a0144d16fa35e8e9d0901d1a1841b50ae469854a038aba1a0aca34317e17cf6
Markdowna0e7edc2091b591a9498518296a6bd9da6060d6b13087487bac8ea9045b4107a
PDF
Publication page818c3551fc00d70b1ee1612fa37ce80fc0513481526f8e7786a8f8329d6d318e
Manifeste560bca40a6099e3c9a64ae0f20ebb693db3a1116377637a2aa3455095a605f7

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
SignatureykLfNGB3wfDA/n8WracDZV1sRsKsS+viuUbzj+x8RxaG16n8mPGjkEzIYUyaDxlDj9tRdsWHDfImgjlzdn0eDw==
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

2026-09-17T11:19:53.037458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039691
observed 818c3551fc00d70b1ee1612fa37ce80f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.018446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039691/manifest.json
observed e560bca40a6099e3c9a64ae0f20ebb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.000882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039691/publication.md
observed a0e7edc2091b591a9498518296a6bd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.982847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039691/publication.txt
observed 4a0144d16fa35e8e9d0901d1a1841b50...
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.