OpenTechnical

OT-2026-000020186

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000020186) never changes.

Identity and time

Publication numberOT-2026-000020186 · never reused
Internal UUID01a0ae6f-4379-74bd-8b5c-b55b0c463092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020186
StatusPUBLIC

Content hashes

Canonical text0edb8d9ebe7bbeb5fe01380cb7df181925bac62043228d881c81450f811313e0
Markdowne37718ef84c067c1bf2c528d1864963e73838967d61f45d32c7b898cfd7016de
PDF
Publication page94267ebc7f8120f0b04d57425eaa5f41393e644b13d8da70ec86866ec91a70ff
Manifest197ab287a8c7b28f19e9d5c41e414a92a1cdf8cdda146f1bb71eb41fc6106a75

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
SignatureemiSeDZzHnpvnXdySHSx8fo/Zy10SOD4daoRuDcjEgeK4otwFcrpvHVXVxzOb9B8TijjFrqJAKD0hYlrQzUxAg==
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

2026-09-17T11:56:30.677160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020186
observed 94267ebc7f8120f0b04d57425eaa5f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.660193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020186/manifest.json
observed 197ab287a8c7b28f19e9d5c41e414a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.640556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020186/publication.md
observed e37718ef84c067c1bf2c528d1864963e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.622682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020186/publication.txt
observed 0edb8d9ebe7bbeb5fe01380cb7df1819...
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.