OpenTechnical

OT-2026-000017317

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000017317) never changes.

Identity and time

Publication numberOT-2026-000017317 · never reused
Internal UUID01a0ae6e-76c8-7585-a915-e3c5b92fe46e · 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-2026-000017317
StatusPUBLIC

Content hashes

Canonical textc5dd63c575aa7dff14eccabbacf47435498347e84e973231e2133920a220400c
Markdowna0809a40915a34ed5f196eba530330549ad13da7d6718c0f536f9b59e12689c7
PDF
Publication page9108f6c4144c2abafcc51d77f51cd8480c56b6c5d7a65de03cc6dbcbc738dc0d
Manifest4e9d6eeaf19e17bc154e800c81e345b5ff157c9fc11dee1f039b4763a31f2dd0

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
Signature8gwbQDNN3MYIDLHk29UK+ToPuglsl20knYTTfDI7nqnP3NkmQX3Y0dF22a7ZaIXxvDB9gEoXNHECC5ymcV1hDw==
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

2026-09-17T12:02:25.275672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017317
observed 9108f6c4144c2abafcc51d77f51cd848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.257816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017317/manifest.json
observed 4e9d6eeaf19e17bc154e800c81e345b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.242573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017317/publication.md
observed a0809a40915a34ed5f196eba53033054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.223934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017317/publication.txt
observed c5dd63c575aa7dff14eccabbacf47435...
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.