OpenTechnical

OT-2026-000017208

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017208) never changes.

Identity and time

Publication numberOT-2026-000017208 · never reused
Internal UUID01a0ae6e-76c7-7637-aa81-7b97b5a42f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017208
StatusPUBLIC

Content hashes

Canonical text583560d44b276caace8c0f5263a08948c66c7e5ecac9e0d59f9f33e7a76d733f
Markdowne75334670314902a913dd7f5b2d98436e5b44b7d5a183db99c5c7d1ba3ffbd9e
PDF
Publication page280b40f059d2ec5edf7e49a495126f16142659b8689ec0875ec26f8d504aef9e
Manifest6ad7a9347d95589889bc9af1eae4de464a271900bda7c63100aa056ab645eee4

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
SignatureKUMEoWl6NGzCmvITMBYWEoMwc7f/Y/57zyEwEeHAGdqmG9uKZ8kLGuXytvOlgWCKpZik+iFqKjdUlbKJfNZvAA==
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

2026-09-17T12:02:17.009225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017208
observed 280b40f059d2ec5edf7e49a495126f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.991904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017208/manifest.json
observed 6ad7a9347d95589889bc9af1eae4de46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.973902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017208/publication.md
observed e75334670314902a913dd7f5b2d98436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.955820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017208/publication.txt
observed 583560d44b276caace8c0f5263a08948...
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.