OpenTechnical

OT-2026-000017244

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000017244) never changes.

Identity and time

Publication numberOT-2026-000017244 · never reused
Internal UUID01a0ae6e-76c8-733b-b352-fe828a3e4551 · 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-2026-000017244
StatusPUBLIC

Content hashes

Canonical texta4c2675aadcbd6fd3e5de891e2bda9b11f4e6afe8e57fa1e0f3c05af62739e1c
Markdown2702921297bedf56a1f196a9bb728fa57e0b86f90703530bd2a1811f18c2c7ba
PDF
Publication page2967a5b246516dc4a03060d07f378aaf409368eef55447039974cf5c5e8c562a
Manifest8a4f431b0430d7103e31a789861c2771e3e953a8fc783dc387708181ca412594

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
SignatureFWS62vtfsJi1BC+qlbevUjEWp+Rfag491QHTsDjyAUOFwx7UzgrT2qPStqkX8PkoMC2YMlO+0t6qm+vONR/EAg==
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

2026-09-17T12:02:19.720232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017244
observed 2967a5b246516dc4a03060d07f378aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.701720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017244/manifest.json
observed 8a4f431b0430d7103e31a789861c2771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.682047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017244/publication.md
observed 2702921297bedf56a1f196a9bb728fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.624602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017244/publication.txt
observed a4c2675aadcbd6fd3e5de891e2bda9b1...
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.