OpenTechnical

OT-2026-000025437

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025437) never changes.

Identity and time

Publication numberOT-2026-000025437 · never reused
Internal UUID01a0ae71-5fa7-7263-97a6-e3f0a60b7362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025437
StatusPUBLIC

Content hashes

Canonical text544aebcadbf7becf7d4fb2d4490aa072a302e75ffa2901676a798ed57695d5b3
Markdown37df458ee38301d3c0ecb82e14baab738f4f81cbe7d452c8237428cfe8fa4b13
PDF
Publication pagef719f3778ce8e0ad1f483008feb7c11d652ddff951b5cc5622f7fb6a7c0fb656
Manifest45bb3cea996af486b0ed0f70672739054674c546ec6ae14b062d0ae558ebc29f

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
SignaturetN9QiRF+ol00S8vcbrgzVVKyByUdszQWx+o6rXNL0BIgvqfMiL5R8/zdLmqGgT6OZaqpH/7WE8XXOW49lawjDA==
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

2026-09-17T11:47:30.956662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025437
observed f719f3778ce8e0ad1f483008feb7c11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.937735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025437/manifest.json
observed 45bb3cea996af486b0ed0f7067273905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.921364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025437/publication.md
observed 37df458ee38301d3c0ecb82e14baab73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.904037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025437/publication.txt
observed 544aebcadbf7becf7d4fb2d4490aa072...
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.