OpenTechnical

OT-2026-000097810

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000097810) never changes.

Identity and time

Publication numberOT-2026-000097810 · never reused
Internal UUID01a0aea1-92f6-7dd9-8c75-28abca23ea57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097810
StatusPUBLIC

Content hashes

Canonical text28dd705d8f3be43ade1d5e8cfc65ea9c1ee979c1a57f056dcd96d1367fbb7c44
Markdown92fefa18ad3e01e3bcfcdc19c28a257a589ece11479c2be9debc490d4b2534e6
PDF
Publication pageb2ec9c51ca068096132c47d36c18c031220e29046cb1901584b076693499ba13
Manifest588bee095be8278f5bec6f73c4e51fc3c4706386ba6af93b45ed7d19f0fe0567

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
SignatureWNsuixei/R1svIHJeGQaVWyizFoLSwjyO0VdADcvsDaCAEUWJFdMg/vqbKSg1bZ5C99KpGSrRLkqRwLgBaeHDA==
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

2026-09-17T09:32:53.902465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097810
observed b2ec9c51ca068096132c47d36c18c031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.884153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097810/manifest.json
observed 588bee095be8278f5bec6f73c4e51fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.861140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097810/publication.md
observed 92fefa18ad3e01e3bcfcdc19c28a257a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.842507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097810/publication.txt
observed 28dd705d8f3be43ade1d5e8cfc65ea9c...
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.