OpenTechnical

OT-2026-000064469

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000064469) never changes.

Identity and time

Publication numberOT-2026-000064469 · never reused
Internal UUID01a0ae8d-a461-7776-9725-c06bf8c542ab · 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-2026-000064469
StatusPUBLIC

Content hashes

Canonical text81779855cc3541ed438045f5751b72e8814b31e2b924a7de18ae05e871f77b67
Markdown155eeb29b1728faebcac3ac6728f953054ad0033d115dd073773443bdf0f15c9
PDF
Publication page245983bdfc49da2b0d877d90d830b626fc7eafa93339693b2a023ad49dd722c0
Manifest22db5a1df3068ba1d749a3d79cbceb1a13314bb85d764a09943fb0cfdabadf03

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
SignatureWqRmBLIIXTISMfdgx47U8QarwAsQV+nEJNO6EwaGGeSuzRZvQdWAJLVlEn8D4y72ywsS1Tb0WgZ4H2iG2e32AA==
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

2026-09-17T10:36:39.662771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064469
observed 245983bdfc49da2b0d877d90d830b626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.645228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064469/manifest.json
observed 22db5a1df3068ba1d749a3d79cbceb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.626670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064469/publication.md
observed 155eeb29b1728faebcac3ac6728f9530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.609489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064469/publication.txt
observed 81779855cc3541ed438045f5751b72e8...
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.