OpenTechnical

OT-2026-000025786

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000025786) never changes.

Identity and time

Publication numberOT-2026-000025786 · never reused
Internal UUID01a0ae71-a83e-7919-98a2-80dd385cd9e8 · 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-2026-000025786
StatusPUBLIC

Content hashes

Canonical text39948af4f9bad2b4e4ed4dbf9dad731a22b38883a151684dfded9870a66001bb
Markdown93484a08700571adb55c3736a9ac2c3e5e4fb4703a3ddc36c8d19f1bc6e340fc
PDF
Publication pagecf9a434a1bcffc7c472a3622a0d8ed1642f9d8efca8a91748ea9e2cf6628208b
Manifest6f99ce8ff1ce45f339f82625a5b97bf54970fb8f237bf32feff545d7472a22c8

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
SignatureLQqI4FOQDR0aLyj5Ua1iw1FBHYWjAkEGeU5fGcETecWzhXbhjaMp3ltjld9Lm2hpl8jtf1+S676xkyNzlApXAg==
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

2026-09-17T11:45:59.361328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025786
observed cf9a434a1bcffc7c472a3622a0d8ed16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.341517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025786/manifest.json
observed 6f99ce8ff1ce45f339f82625a5b97bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.321267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025786/publication.md
observed 93484a08700571adb55c3736a9ac2c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.304377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025786/publication.txt
observed 39948af4f9bad2b4e4ed4dbf9dad731a...
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.