OpenTechnical

OT-2026-000013250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013250) never changes.

Identity and time

Publication numberOT-2026-000013250 · never reused
Internal UUID01a0ae6d-6fc9-7ad5-826e-3460b715c622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013250
StatusPUBLIC

Content hashes

Canonical text737dbc2b001044e303c8158c65b5bf77cb936bdee0c36f18724cb4654d47b2c0
Markdownc029af48308d328f3632533dca7233717ea1e35be92eec08c94c090cccfc08f0
PDF
Publication page86f0a10a615fe012de79046b8e0f3f0936f0390400ac9b7bd80540e378ef8db2
Manifestda2e43ddacf58f721a812ddf800b9e2f5af1170c1ed2216c254d70ada247f245

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
SignatureOlOs0iNo/63Y8cUWB91lSg4kAzeYBDnw1D6+mRpuU7nSyk4IXW6xyS6ew9ozc/thulnQQTYrAZiO1oyVMowJCw==
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

2026-09-17T12:09:39.304633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013250
observed 86f0a10a615fe012de79046b8e0f3f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.282618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013250/manifest.json
observed da2e43ddacf58f721a812ddf800b9e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.260046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013250/publication.md
observed c029af48308d328f3632533dca723371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.240889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013250/publication.txt
observed 737dbc2b001044e303c8158c65b5bf77...
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.