OpenTechnical

OT-2026-000066899

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066899) never changes.

Identity and time

Publication numberOT-2026-000066899 · never reused
Internal UUID01a0ae8f-14fd-72f4-95ec-0ce1a51a375c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066899
StatusPUBLIC

Content hashes

Canonical text13cbad71d60a46997dec547409cd6b995f074f345620de622e81e29a3ff6a819
Markdown7d7d05c7420586dc3e6a50784c5b973e6d64fe573008cbed92975d24998d469e
PDF
Publication pagefd1a58bc737fc753bba55762680b18206cf9d316d0169133bf41bcad8e62469d
Manifest55916e223c3177808c79aca9ce48a7786c9f66fc2b7502cdef31aa72164337eb

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
SignatureV2XXCJV+lQ4rCmj0H3CGvJPxkmARs0wEuDCX3eQxOMNO+UjwjnLyyifIV5BcI67lmIVvbISlLKB9Rb46s5QaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:06.120790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066899
observed fd1a58bc737fc753bba55762680b1820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.104179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066899/manifest.json
observed 55916e223c3177808c79aca9ce48a778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.085800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066899/publication.md
observed 7d7d05c7420586dc3e6a50784c5b973e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.068246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066899/publication.txt
observed 13cbad71d60a46997dec547409cd6b99...
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.