OpenTechnical

OT-2026-000045174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000045174) never changes.

Identity and time

Publication numberOT-2026-000045174 · never reused
Internal UUID01a0ae7c-f769-7250-93f9-4d9d06ab16f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045174
StatusPUBLIC

Content hashes

Canonical textcf77a673656fbc65dfc8ae52d12ab7d30277ccd3f77fc6ba334ef1050c97c11e
Markdown601da548e53dd7b1b721451075c9c0c834d3e70c8bc36bf9cb57d5c0b4139166
PDF
Publication pagead1d52d7b9a9dcb2ee48913de3919d4e5061a17f5beb8761425b254971f3936d
Manifest9f74518d65efafc057aecfee3019ac982d0e1a05bd7ace95e9568a940014754a

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
Signature+3Vwnxeps8EvtAv9bnG+j6qZVIipyvPy+iSW/gL9nDRRXmkVyf0e6b+uwjTPdMCepTh6YXO2xTPqGBF1+b6OBw==
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

2026-09-17T11:10:20.367205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045174
observed ad1d52d7b9a9dcb2ee48913de3919d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.346909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045174/manifest.json
observed 9f74518d65efafc057aecfee3019ac98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.327623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045174/publication.md
observed 601da548e53dd7b1b721451075c9c0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.308593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045174/publication.txt
observed cf77a673656fbc65dfc8ae52d12ab7d3...
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.