OpenTechnical

OT-2026-000045989

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000045989) never changes.

Identity and time

Publication numberOT-2026-000045989 · never reused
Internal UUID01a0ae7d-8f89-7cb9-a985-03f49419d34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045989
StatusPUBLIC

Content hashes

Canonical textd8fd9a0cbc782ee35f6b3f99ecd6a16c96e098e93888b975e7e83c25818f30e6
Markdown1a251f55efa2d7d4a1d7b249ccdbaa0f1a16e1b68f1f7cb83c7ff5d832ed252a
PDF
Publication pageb734aa5bb839474f71bcc0592d040ce42803a4e9df95e71234ac70a69b52d298
Manifest355c534805ad3ff901013abfdff635e187882699ea6db760c64da815fbce1ef2

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
SignaturePnSnwF9aoebl0R4HTR8QsKPL+1aSY/lxgJNfFSJF/FqPP7JbOxtcOwWCNzickry7rcSuJEEJ5GiEL5ARgnJMDg==
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

2026-09-17T11:09:59.191865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045989
observed b734aa5bb839474f71bcc0592d040ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.170750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045989/manifest.json
observed 355c534805ad3ff901013abfdff635e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.150612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045989/publication.md
observed 1a251f55efa2d7d4a1d7b249ccdbaa0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.131445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045989/publication.txt
observed d8fd9a0cbc782ee35f6b3f99ecd6a16c...
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.