OpenTechnical

OT-2026-000039141

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000039141) never changes.

Identity and time

Publication numberOT-2026-000039141 · never reused
Internal UUID01a0ae78-9673-7b03-8d5e-07626519ecc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039141
StatusPUBLIC

Content hashes

Canonical text2b882371ff0361b763279eb839d3efbfc6dc16affe7f838f1f2c5ab0903507b4
Markdownaeb771ced498371d94aa40971ca8aced922b8dd92bd118aba615d4fd84fe4de8
PDF
Publication page7753cded6d9a11f0ef1b15347fe778c0f68b0ac09193eb3bc72fe34d08624606
Manifest3e63659bdc9f2c6a66ec4bb0e68287a7f3f41f0bfdf86f23e5f8fe398a0f7168

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
Signature4dw3hHe7GHVZYBT20su1lMWZ3e2Niu94bAnSHbumnpNToBC6ZdfXsYRXLmsJZlVyrbNqDAiziHBrQPx5xNhKBg==
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

2026-09-17T11:20:39.148906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039141
observed 7753cded6d9a11f0ef1b15347fe778c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.130127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039141/manifest.json
observed 3e63659bdc9f2c6a66ec4bb0e68287a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.113279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039141/publication.md
observed aeb771ced498371d94aa40971ca8aced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.094180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039141/publication.txt
observed 2b882371ff0361b763279eb839d3efbf...
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.