OpenTechnical

OT-2026-000064234

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064234) never changes.

Identity and time

Publication numberOT-2026-000064234 · never reused
Internal UUID01a0ae8d-a460-7dc1-89e3-3e5fad38019d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064234
StatusPUBLIC

Content hashes

Canonical text7e3757483c1e461ac0f174cf059689f3aebabf0bfa25feaa63ad2da89a8142dd
Markdown521cba3de6f26be4a2a334c47691c3005ba54bfef93b90e4dd967c00cb53b2eb
PDF
Publication page975f982c4a983084f0171ebf7e465e46512d3dc5f9352eedaaea3ad963ff8c03
Manifest766cf7c7666a47fd9d72dfbbe6c59d5eeb60bcbe33864a53d173a2d56aff90bf

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
SignaturetctaTk7VnWaJ1JoIU+zDkFMcHw3taWDhaDS7gzl2NGHu8b46VD7sSCYzEuD41xOmv0QLXdc02GrZK+6GPtkPBA==
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

2026-09-17T10:36:21.663367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064234
observed 975f982c4a983084f0171ebf7e465e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.645015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064234/manifest.json
observed 766cf7c7666a47fd9d72dfbbe6c59d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.627436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064234/publication.md
observed 521cba3de6f26be4a2a334c47691c300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.607167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064234/publication.txt
observed 7e3757483c1e461ac0f174cf059689f3...
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.