OpenTechnical

OT-2026-000062736

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062736) never changes.

Identity and time

Publication numberOT-2026-000062736 · never reused
Internal UUID01a0ae8c-6389-7d0d-9b93-f565bc85caac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062736
StatusPUBLIC

Content hashes

Canonical text8d6dd639697cf0121f013255bc0225ff72075f3bb05a32b1959414c561f9921a
Markdown8651982e25c14e6f228b5f9b9f4c9ef4bb59b94a05a161563860e6be0fab2585
PDF
Publication page70073256ba54a8f51cdb2fa70307418bc68d70df4ae474dbe731800639cf336a
Manifest7b23480fad3240e35c166be01296f0f192b16b1d084ec0f162576af6a1d41c07

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
Signature6jck4s4UNiIfye1NtUoMGLGqevMTMn9t2/dtBQ8Chg/NW0n9nymJmmrjVP2I5SbNRQEPvLaFvXrPRL+IOLAzBg==
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

2026-09-17T10:39:18.651831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062736
observed 70073256ba54a8f51cdb2fa70307418b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.633566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062736/manifest.json
observed 7b23480fad3240e35c166be01296f0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.616151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062736/publication.md
observed 8651982e25c14e6f228b5f9b9f4c9ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.598388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062736/publication.txt
observed 8d6dd639697cf0121f013255bc0225ff...
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.