OpenTechnical

OT-2026-000026461

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026461) never changes.

Identity and time

Publication numberOT-2026-000026461 · never reused
Internal UUID01a0ae71-f4a8-7856-befe-03aba0f09988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026461
StatusPUBLIC

Content hashes

Canonical text82ebacfb058e68430ccd559ecd88420d2060b5f307f1b065e8dcb1b84063203d
Markdownbe62d465a0e2fb9eaedd1b9ea6ea88fee2180adc2b69ebe07f3b6f9d3a022b1a
PDF
Publication pageafa25eee1901cacc6206bc9c7084c924d0ceac44b14cd6ed6fefd856451a016e
Manifest6dfa02a42854a6760215194ad9b62bd7f0cd7cebdf792d24a1dc4a03c4a6fef0

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
SignatureOD+rkzHiM7YPRTOaZp1y938AzWx5fGLg0Vmp/U7urPg7AZi75WY6kJcxdKxafZYn14ew2LDAFEXMRQ0f+vmFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:27.765019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026461
observed afa25eee1901cacc6206bc9c7084c924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.748753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026461/manifest.json
observed 6dfa02a42854a6760215194ad9b62bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.732953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026461/publication.md
observed be62d465a0e2fb9eaedd1b9ea6ea88fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.715513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026461/publication.txt
observed 82ebacfb058e68430ccd559ecd88420d...
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.