OpenTechnical

OT-2026-000097557

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000097557) never changes.

Identity and time

Publication numberOT-2026-000097557 · never reused
Internal UUID01a0aea1-92f1-7a51-901e-d14fe596a1ed · 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-2026-000097557
StatusPUBLIC

Content hashes

Canonical text78d9b473005b6bb241e103284bac6f2c472e615d306ad3764a88c51deeae2978
Markdownb5b33ed03a1c40be9d1f6b6198043d96b6ecce5aa4da24e7dc2f8a6c7645de7d
PDF
Publication page6a12e19f9ed90b9788b348e2514c076902980a4368a43c9c25527cddc700a5ca
Manifestc9c7f7a668813440a5c5f6cc62e50075d9e95749895e2d8b87e1854221f9fe86

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
SignatureDEyo6wJuAC5QFWr/R1CvYpGGgI/dFp6hWy1loTlODondlxmcK3PL2w/L37lqnuAdEPz2/QHQZgWwUqNiQJYjCQ==
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

2026-09-17T09:32:27.960604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097557
observed 6a12e19f9ed90b9788b348e2514c0769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.941400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097557/manifest.json
observed c9c7f7a668813440a5c5f6cc62e50075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.922606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097557/publication.md
observed b5b33ed03a1c40be9d1f6b6198043d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:27.903716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097557/publication.txt
observed 78d9b473005b6bb241e103284bac6f2c...
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.