OpenTechnical

OT-2026-000102582

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000102582) never changes.

Identity and time

Publication numberOT-2026-000102582 · never reused
Internal UUID01a0aea4-858b-793b-bce0-39749de43e3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102582
StatusPUBLIC

Content hashes

Canonical text5e4315fbe6b0c853ffdcf24b7cfcac33fb915c2ee88f715930118098b2dd66dc
Markdownbff50293005b942e1e9cefae6b43e09543146abaf1ee1c301446a6c23843335a
PDF
Publication page3c57325cb11905223096fec5eb877b9df4552ce24495f257ac0bc9cc2c5e7235
Manifestfbcd012978b1e270ab405e10c13f45b2f61c00a69200992d7a80ee53a23816c7

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
SignatureJ9cYQMLfqPm8+yD6W4eZajgSQwe4W3+YaFkM1sMp9lS4irYkdIYgASZbjeMngtA6h/cw4XlexM/yAGzNZlXNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:04.109907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102582
observed 3c57325cb11905223096fec5eb877b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.090792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102582/manifest.json
observed fbcd012978b1e270ab405e10c13f45b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.071996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102582/publication.md
observed bff50293005b942e1e9cefae6b43e095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.054313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102582/publication.txt
observed 5e4315fbe6b0c853ffdcf24b7cfcac33...
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.