OpenTechnical

OT-2026-000049434

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049434) never changes.

Identity and time

Publication numberOT-2026-000049434 · never reused
Internal UUID01a0ae81-8f7b-729e-9d27-5143f4995bc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049434
StatusPUBLIC

Content hashes

Canonical text589d18301ed35bf2a7c4fc1722074fad9e9e278359154dc9a2b860e6a99382e2
Markdownf93ffb6e419dd3c02d1184f51f56c9da60a8588df3b21b1e48d99f2223fd84b8
PDF
Publication page579d661e34dc989c5f8610443078ce163a6d131224b92d67d35b6381a5a3907f
Manifest4e39a6286c414e987f1db3214ab98efa1a5309c2c8da1a10c5cf6dd70815dc27

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
SignatureG+tJdodcB9cJWV1Q2w2eOcREAq+yUDbOkrK2Uujdxrmxqplk6z3xzwgdAqKoW0eu0BpejqvelVsBbqzXbtTyDg==
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

2026-09-17T11:02:15.981810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049434
observed 579d661e34dc989c5f8610443078ce16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.962340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049434/manifest.json
observed 4e39a6286c414e987f1db3214ab98efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.943469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049434/publication.md
observed f93ffb6e419dd3c02d1184f51f56c9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.922177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049434/publication.txt
observed 589d18301ed35bf2a7c4fc1722074fad...
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.