OpenTechnical

OT-2026-000091695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091695) never changes.

Identity and time

Publication numberOT-2026-000091695 · never reused
Internal UUID01a0ae9d-43b8-7424-905f-e4f7845a9d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091695
StatusPUBLIC

Content hashes

Canonical text10c7e56bf0b3a0b61c6a63d3b1652354c156d4669afa1cc5c3ad1745c2b9e0ca
Markdown4ee899d80cd550b6a216e48137155a81c4bdf1fe3bc63a7d171b80ce29f85188
PDF
Publication page98a146b230c218c5c8dba09be8d389d7632ad0309b4460f7c64ebf942049cae3
Manifest2bd73086f1370708e251bc63b87f956a159f723f5da5c71819ffcf15b10de37a

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
SignatureP4r1mioQa0JK5wDHmRHRYWCalsg65cr8Vb1sEoV/IwxTNbScML5q+w0SQODEkuu1cAFt6YmRwvbKEw2jq0/9BA==
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

2026-09-17T09:42:04.936161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091695
observed 98a146b230c218c5c8dba09be8d389d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.918494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091695/manifest.json
observed 2bd73086f1370708e251bc63b87f956a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.900588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091695/publication.md
observed 4ee899d80cd550b6a216e48137155a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.881560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091695/publication.txt
observed 10c7e56bf0b3a0b61c6a63d3b1652354...
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.