OpenTechnical

OT-2026-000045951

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000045951) never changes.

Identity and time

Publication numberOT-2026-000045951 · never reused
Internal UUID01a0ae7d-8f89-7583-a11b-9346ccc3910a · 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-2026-000045951
StatusPUBLIC

Content hashes

Canonical textf7c31b82c0323ffce6e13bd0a79d58e5e379f8e65ddb76f72684bbfcaf9a7098
Markdownb37d3aff006e56811590be5ed211746e9729741e1fdb333a50fb798aeb2121b3
PDF
Publication page0d702e597ff16699b7eb1e1ec182d587b25fb7342f6861d5366ce4ff420f2780
Manifest00f4ff519570bb5d8cf6ca21f268e94279bb224cffad7fbe0983178e461677f9

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
Signaturegg4Ps0lzW0DoszALfi9VszcM41fztFIqHBd8KCMs9bmSQ91MsMXJ+puJ0zBT78dMuIQRAi41ITexXA9vJhEDCQ==
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

2026-09-17T11:09:51.957553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045951
observed 0d702e597ff16699b7eb1e1ec182d587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.939858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045951/manifest.json
observed 00f4ff519570bb5d8cf6ca21f268e942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.922843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045951/publication.md
observed b37d3aff006e56811590be5ed211746e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.904478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045951/publication.txt
observed f7c31b82c0323ffce6e13bd0a79d58e5...
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.