OpenTechnical

OT-2026-000025022

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line 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-2026-000025022) never changes.

Identity and time

Publication numberOT-2026-000025022 · never reused
Internal UUID01a0ae71-2728-795f-96c7-c03cdae8eba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025022
StatusPUBLIC

Content hashes

Canonical text383784745ab9debea13ade8111e5c41de3d2cc550048e4bd215ca21f5924f749
Markdowna39f41c83e95ddc8cea5e3217902752f7018a9a6bbbc698e430ac733e6ada59b
PDF
Publication page37bb0de7ef2ee585640ce1c427f41968dbc422b6380f81944bdc1b9a3a7d6e12
Manifestb1614b4f386c9cd50709e5e80e6f60ef1ce181a6dd90b8c2a2d74f686a85f9d4

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
SignatureaEc5hHA+ofZxLecf6D+f5BuNyQUMgESwHHb8G4g3UN6ZDvRQPtzsMxR7fQw+YFKIzI9mpusV8wiBSA+9riKrBQ==
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

2026-09-17T11:48:02.320463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025022
observed 37bb0de7ef2ee585640ce1c427f41968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:02.305213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025022/manifest.json
observed b1614b4f386c9cd50709e5e80e6f60ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:02.288953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025022/publication.md
observed a39f41c83e95ddc8cea5e3217902752f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:02.269039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025022/publication.txt
observed 383784745ab9debea13ade8111e5c41d...
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.