OpenTechnical

OT-2026-000064937

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000064937) never changes.

Identity and time

Publication numberOT-2026-000064937 · never reused
Internal UUID01a0ae8d-debd-76fe-959d-4d43cfbecdf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064937
StatusPUBLIC

Content hashes

Canonical textb13d8d15d8049ae4fbfd2239139bf99e53c508ce57f1b3829053b41806f85e75
Markdown17a48b5b63a948d622a68b13641571fbd04d5d517daa0fd83bec8e74d6d9e94d
PDF
Publication pagea7bf47ee08b1d3d65819738599c516623248743d76f55c1ff916e8f3a83ef2c0
Manifest4fca9722800fafba55339b3e1ddd84efdd8fc41515de05eaf67177dc724495fa

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
Signature921IEMwvqLjXB1RUMhn68gewyQMskS2mmFv5i3dX/KhJDbovefyvSDdEGe6HoQuYQPNBDztu9chEqqpkeZNGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:52.505878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064937
observed a7bf47ee08b1d3d65819738599c51662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.487773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064937/manifest.json
observed 4fca9722800fafba55339b3e1ddd84ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.470734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064937/publication.md
observed 17a48b5b63a948d622a68b13641571fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.454071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064937/publication.txt
observed b13d8d15d8049ae4fbfd2239139bf99e...
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.