OpenTechnical

OT-2026-000095569

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000095569) never changes.

Identity and time

Publication numberOT-2026-000095569 · never reused
Internal UUID01a0ae9f-8f75-798f-a81a-bb9734690239 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095569
StatusPUBLIC

Content hashes

Canonical textcc98013155c11f4e4a3a70137fa653e4c4cd9e94c0311722bc654f18dacc6450
Markdown875daa70074ca1ac4e2fd2e86690cd906abd017404f7fa3960d1718255c70d19
PDF
Publication pagee80fb1395507122f402c05375ef3e41f510af66d86bdde387665df61e2d1e7d9
Manifest09dee35072b17ef9c0d805e884a2a2bcb6df753f580a440555365f32fbd44085

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
Signaturee3+ZmJsAExb+2Wy2erBAXAubMpwVSDXyYNgGlNL0vjvM5RJ5ettFQamCIwRTjnDh4MoSfcgsctlz+yegLxjYCQ==
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

2026-09-17T09:36:59.166917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095569
observed e80fb1395507122f402c05375ef3e41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.150510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095569/manifest.json
observed 09dee35072b17ef9c0d805e884a2a2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.134268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095569/publication.md
observed 875daa70074ca1ac4e2fd2e86690cd90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.117221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095569/publication.txt
observed cc98013155c11f4e4a3a70137fa653e4...
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.