OpenTechnical

OT-2026-000091725

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091725) never changes.

Identity and time

Publication numberOT-2026-000091725 · never reused
Internal UUID01a0ae9d-43b9-7e07-82ca-5bf4b49d6a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091725
StatusPUBLIC

Content hashes

Canonical text39f09acbd5283a1ecae4d7bcbbd7fce45c41e77f660bb157f643f8d8b236fcc1
Markdown530c48af8a7626a197b0454fb50bc2c268c156eac300d055bf493dd7976f0937
PDF
Publication page5a083c2d6f9096fb6cd7a89d7b3a7fc06d149dc2d367e413fdef40b9896fbf58
Manifest9f6924855b4df1a6583842d3262da80bbb15e76833f68fbbb06617f46cf09647

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
SignatureX8h9NQivjuBjanzzbjpgzoliYIZI1uPrVsCphewMYPEkfHFs240CKiJpmniVnxK0HhZMWeTMdYISZ2ybxyNgDg==
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

2026-09-17T09:42:07.019057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091725
observed 5a083c2d6f9096fb6cd7a89d7b3a7fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:07.001687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091725/manifest.json
observed 9f6924855b4df1a6583842d3262da80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.984295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091725/publication.md
observed 530c48af8a7626a197b0454fb50bc2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.967522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091725/publication.txt
observed 39f09acbd5283a1ecae4d7bcbbd7fce4...
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.