OpenTechnical

OT-2026-000003537

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, ejector fed, pressure verified

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-2026-000003537) never changes.

Identity and time

Publication numberOT-2026-000003537 · never reused
Internal UUID01a0a90a-4fc9-7c02-b37c-92ef76f0b382 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:00.428749Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003537
StatusPUBLIC

Content hashes

Canonical text47f5649ad5ca1703980796c0b2b05aa1d7710c6d97fad4a93f54417300c64211
Markdown9ac280765f35f7de5a9abd406471fc1529436076a2679e6dafc8c224210798e4
PDF
Publication pageb90e61176e2ff847b7a9d29bf1feadb391fe93d46e897989de042fdcedd7b3bf
Manifestfe2b138d83f002aea7ac0c0ccf7c42d3886e39b942fe17a7b31770b192bbc796

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
SignaturerlVYbt2dA4PBs9iUmwnUamaO/Se3t29h3d30mO8+lk06WE/hQFlH0WId7wXEFxhofJXnMpjqBqTLY068S8tuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T08:50:33.997787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003537
observed b90e61176e2ff847b7a9d29bf1feadb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:33.984359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003537/manifest.json
observed fe2b138d83f002aea7ac0c0ccf7c42d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:33.969085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003537/publication.md
observed 9ac280765f35f7de5a9abd406471fc15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:33.919760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003537/publication.txt
observed 47f5649ad5ca1703980796c0b2b05aa1...
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.