OpenTechnical

OT-2026-000097543

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000097543) never changes.

Identity and time

Publication numberOT-2026-000097543 · never reused
Internal UUID01a0aea1-55b4-792a-a072-7fbe8dbaca5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097543
StatusPUBLIC

Content hashes

Canonical textc2a9d9f04c2ab55ba7bf6cc526304f37eff046c10b7339071c812fd1c0e2687e
Markdown481675fe0dbfa9f8cb0aeb47672db2a74c57890e724cf7639725d21cfb136fa7
PDF
Publication page958aba53d0db43174ebaa376e982b1c077e8af4f59bac61198d393716d31024a
Manifest4fdc069f7c4878c9408f172051d9816abe8e2de40e825feb2da4fdfd4f2b7085

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
SignatureSozInqCjvVe1tYqKLGVLDze0lsWwwFBBP4ro3N5ezfpaq2lsEsSOcFpMoyU1R8DuFhTpugOsDc8f7vF/rqjlDA==
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

2026-09-17T09:33:25.335578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097543
observed 958aba53d0db43174ebaa376e982b1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.312829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097543/manifest.json
observed 4fdc069f7c4878c9408f172051d9816a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.295803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097543/publication.md
observed 481675fe0dbfa9f8cb0aeb47672db2a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.277822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097543/publication.txt
observed c2a9d9f04c2ab55ba7bf6cc526304f37...
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.