OpenTechnical

OT-2026-000097455

Publication integrity record

Two cup vacuum gripper, two 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-2026-000097455) never changes.

Identity and time

Publication numberOT-2026-000097455 · never reused
Internal UUID01a0aea1-55b3-7dac-9ce4-63f3075a0c6f · 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-2026-000097455
StatusPUBLIC

Content hashes

Canonical textfe7c64990e21ead0ede3cd4d4aa342ef7607d30b3c9864dbfe587ea6eedb86f2
Markdown3a400fc011ce6a67e3ed186886016b72ffb4c836ffd1cd6def7eb8e97bc1d2fa
PDF
Publication pageaa7dc4491c62c6380e58b2ca9487e0f3c8fb2fed09ccf5b70bce7ed82c10d8ff
Manifest0aa2b8b0f16c74862dcec66b14e56bc566208276475037c24bb2ae3a7e788be7

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
SignatureUemDKmUzhO5AP0+Z+4mL6lfj9UJt0zMfsVGtExMrQIfieMh91D8yueGv9yk/ALDQSQB9g3uFi8KMOGNao0itAw==
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

2026-09-17T09:33:19.200913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097455
observed aa7dc4491c62c6380e58b2ca9487e0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:19.177787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097455/manifest.json
observed 0aa2b8b0f16c74862dcec66b14e56bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:19.159397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097455/publication.md
observed 3a400fc011ce6a67e3ed186886016b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:19.140598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097455/publication.txt
observed fe7c64990e21ead0ede3cd4d4aa342ef...
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.