OpenTechnical

OT-2026-000034599

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000034599) never changes.

Identity and time

Publication numberOT-2026-000034599 · never reused
Internal UUID01a0ae76-1ed1-7b51-9aa8-2a500090a097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034599
StatusPUBLIC

Content hashes

Canonical text25b4e0ec9d3e377c483d7f21a664c55a9acc17f824601aaa00116ee24c73b129
Markdown42a1d90cddd075bf01cb132e77c40cdca9033a7484af94e8a2a6bd943899d4ca
PDF
Publication page3671c8297b6c7de729f73982b17f5cfc6b4332c6ddd3097a568a33935e597dbc
Manifestaf1b0205decae49df2ea297cf9c4aadddf553a27c9b1aef19505dbc8e4078ca7

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
Signature0TNXyoOtG6rE/iSvDQVimj6ieLUrYkDNqyt+qtbzCuKEmL25bsJukS6fuCEq+KX4gxXrkhaD4S4UCQlcHAxfAw==
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

2026-09-17T11:28:58.646063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034599
observed 3671c8297b6c7de729f73982b17f5cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.629751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034599/manifest.json
observed af1b0205decae49df2ea297cf9c4aadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.607135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034599/publication.md
observed 42a1d90cddd075bf01cb132e77c40cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:58.576944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034599/publication.txt
observed 25b4e0ec9d3e377c483d7f21a664c55a...
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.