OpenTechnical

OT-2026-000025954

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000025954) never changes.

Identity and time

Publication numberOT-2026-000025954 · never reused
Internal UUID01a0ae71-a83f-7ecd-97f0-b69ce9a8a486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025954
StatusPUBLIC

Content hashes

Canonical textc88a431a6f13bd7af45e769907d84bd33f903f5adb4f6178db0b098575242651
Markdownc5de497ba871f66b8db9255f3a6184abb364be6f0aba325cb2f5e41a1a06e224
PDF
Publication page0e6ca8729920077b70941753318fd22c656301e0f82edb65530cbb5779b04fbb
Manifestaa76269e1d29f90caccfa5755eb5a404bb8f2940c32d4892dbb8a62b7ae85d90

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
Signature6sTfGL49prE/3HCqeJunPDI9+4orFAmpH1GIiwHlbRCZWJFYe1T/pMgOWukqDlrtE9N7cfPOM5JraZkgrEj/CQ==
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

2026-09-17T11:46:19.390134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025954
observed 0e6ca8729920077b70941753318fd22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.371958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025954/manifest.json
observed aa76269e1d29f90caccfa5755eb5a404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.349593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025954/publication.md
observed c5de497ba871f66b8db9255f3a6184ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.332189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025954/publication.txt
observed c88a431a6f13bd7af45e769907d84bd3...
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.