OpenTechnical

OT-2026-000097723

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000097723) never changes.

Identity and time

Publication numberOT-2026-000097723 · never reused
Internal UUID01a0aea1-92f5-7a43-b590-53faa557250e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097723
StatusPUBLIC

Content hashes

Canonical text3d3dcd1456b4a012f4e22b09c035a02f4400edbf9796d77b7fb1dff41f5b2dad
Markdown6db83796052dd209f6f82054ca27fb75024605af4bc65dcfdcc98248bda70fd0
PDF
Publication page42b61f34053d787e43db240e2ca23bace2474a29d11a62bd1ffa129d786c00c8
Manifest04c3a3d897e04268cd33ebaa761af4420ce9c12c163a6f6c98679be394ad9c23

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
Signatured/1Y0Qr6MjnNBxHA4wMEpD5i9pMLFBXOTiOpjQwX/uiWP46+gCFVuiPvo1kniTw7Lz1B/vPEnd6QXZIVcedRBQ==
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

2026-09-17T09:32:45.270062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097723
observed 42b61f34053d787e43db240e2ca23bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.251332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097723/manifest.json
observed 04c3a3d897e04268cd33ebaa761af442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.235427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097723/publication.md
observed 6db83796052dd209f6f82054ca27fb75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.218028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097723/publication.txt
observed 3d3dcd1456b4a012f4e22b09c035a02f...
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.