OpenTechnical

OT-2026-000099826

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000099826) never changes.

Identity and time

Publication numberOT-2026-000099826 · never reused
Internal UUID01a0aea2-c978-7228-a415-1ccd77750005 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099826
StatusPUBLIC

Content hashes

Canonical textc35fc3c364a6f444f3f82cc4fde57958611e2f0f93f90af0b272ed51b85590c7
Markdownd06c72db4177f19c3bb6ad2d5b6dacfe45a6a4e771e2150950a28b750427b339
PDF
Publication page47269c6e05ce9889732610af1870d6a3957c8a53db630c9f16e9d73b11550de5
Manifest8665a3497b0b75563b71eb790f774ccb3765ac08310de84b90993d40be028cf7

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
SignaturejT4VUA0NIhtt7R+4PTI1bUUtyuFzWPVkryPMJrysw/lJkD9GKcirYoNleLzY+wxuYITbEuVftzaUgcTysK7tDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.839323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099826
observed 47269c6e05ce9889732610af1870d6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.825025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099826/manifest.json
observed 8665a3497b0b75563b71eb790f774ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.808578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099826/publication.md
observed d06c72db4177f19c3bb6ad2d5b6dacfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.791667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099826/publication.txt
observed c35fc3c364a6f444f3f82cc4fde57958...
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.