OpenTechnical

OT-2026-000025187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000025187) never changes.

Identity and time

Publication numberOT-2026-000025187 · never reused
Internal UUID01a0ae71-5fa6-7bf2-827a-20a03207336c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025187
StatusPUBLIC

Content hashes

Canonical text6f131eb97659be5510f98222843159b5a7b19e8fb6c2a69281a1b7e8fc8de677
Markdown443675833ae98f55ed5e485cbdcf72201b0118ef408156c2f5fdd3a07599f130
PDF
Publication page354600ff6ed01c996da956b2d0f1b3f69197c8e562128da01876bb40ca4eea13
Manifest714fdec208a915bb23fc4357ba636903a66c4557429be80809826073f853d792

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
SignatureuJDQ9lMJpK1CPmmi2wREGLwXOsfkOVUKhKmMjNdWL9VYRIQ8QSmoDFoLXVfLPjZd4VMrNT6+1qFsGJ9P/mkABg==
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

2026-09-17T11:47:10.339524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025187
observed 354600ff6ed01c996da956b2d0f1b3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.317938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025187/manifest.json
observed 714fdec208a915bb23fc4357ba636903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.298030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025187/publication.md
observed 443675833ae98f55ed5e485cbdcf7220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.278884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025187/publication.txt
observed 6f131eb97659be5510f98222843159b5...
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.