OpenTechnical

OT-2026-000102300

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102300) never changes.

Identity and time

Publication numberOT-2026-000102300 · never reused
Internal UUID01a0aea4-50f3-7124-a60c-b4b9c240ffe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102300
StatusPUBLIC

Content hashes

Canonical text8a6c791f62814319cf7b8efbd77c38ffe700f8b5768c06b819757b72fe7ee518
Markdown2740425aac145d49a7b7dffcf121b2e15699f94fc2a50947f04996713901268c
PDF
Publication pageb6d64daf86abc9fdd00fb659de11251536ef1218b23f64e3dc064fcaf837f5ef
Manifestac0f3d63d28268b76dc282e13622e1bc30c92a756a13d88f682082d3710e62cd

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
SignatureZ1htD+rdV5MAYjAOxV/3XnVuATHuD514SmtxhzYuRY6dRkoaG3OMpvlTLOYDSOAjJST/VuL4tQGPxIIHkoxeDg==
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

2026-09-17T09:25:29.631175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102300
observed b6d64daf86abc9fdd00fb659de112515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.613388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102300/manifest.json
observed ac0f3d63d28268b76dc282e13622e1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.594934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102300/publication.md
observed 2740425aac145d49a7b7dffcf121b2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.577261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102300/publication.txt
observed 8a6c791f62814319cf7b8efbd77c38ff...
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.