OpenTechnical

OT-2026-000040722

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000040722) never changes.

Identity and time

Publication numberOT-2026-000040722 · never reused
Internal UUID01a0ae79-6d0f-7698-8846-96d12041ba14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040722
StatusPUBLIC

Content hashes

Canonical text0640a1b0e40b698bf791785eaeafb92f99bda1c3684e0c73cb752b99af186f35
Markdown74eabfc5befdc5b7a301ecdef22b0e0ed2e177b496e3e9212e3ec20cd87cf60c
PDF
Publication page20c6bd7477d981fef11d65130820e0d6d2ee79e596e86fb2eff361eb134e8b37
Manifest648392013fb4b5b92a444749e9ed728fea809553b659619744d9d0396f0fde6b

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
SignatureELUZ7iP6oWbJqhH3jLh0kaNuMmiqvap8mpN/CQmK8XY7eJ6LTXnLnfLoaFiVZqIerBOq32oPMn6eVN7LgbdRCg==
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

2026-09-17T11:17:59.608029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040722
observed 20c6bd7477d981fef11d65130820e0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.590506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040722/manifest.json
observed 648392013fb4b5b92a444749e9ed728f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.571957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040722/publication.md
observed 74eabfc5befdc5b7a301ecdef22b0e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.551931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040722/publication.txt
observed 0640a1b0e40b698bf791785eaeafb92f...
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.