OpenTechnical

OT-2026-000097615

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000097615) never changes.

Identity and time

Publication numberOT-2026-000097615 · never reused
Internal UUID01a0aea1-92f2-7d41-ab60-f0539bdb73d1 · 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-2026-000097615
StatusPUBLIC

Content hashes

Canonical texte0adc14413a6911a62b24629d0fa88bccd71b2c7646c79767fb446bfbd697259
Markdowna655b19bbc9f810e19133d7371c05359b70c994a545d38546916346211327e3f
PDF
Publication pagec3535abb812ee5c4ea04cf035680b062629eef7e11dd79f67008e66f0420f2b1
Manifest40928c3b4626c70a171890297cffec0489324619d1fff1033dd25bf47e87f7b0

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
SignaturecrbUN0ItPm3y9kEzP3R0mEWlrcm7EARqnHNaX108y80GZrDjhs54spFEKsjXE65RIVs9YQ3aZQJw3Sf8tuOmAg==
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

2026-09-17T09:32:37.366954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097615
observed c3535abb812ee5c4ea04cf035680b062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.349017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097615/manifest.json
observed 40928c3b4626c70a171890297cffec04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.332905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097615/publication.md
observed a655b19bbc9f810e19133d7371c05359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.315082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097615/publication.txt
observed e0adc14413a6911a62b24629d0fa88bc...
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.