OpenTechnical

OT-2026-000017180

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000017180) never changes.

Identity and time

Publication numberOT-2026-000017180 · never reused
Internal UUID01a0ae6e-76c7-7a93-86b1-7f548883615b · 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-2026-000017180
StatusPUBLIC

Content hashes

Canonical textc7a199de01b8ca25a8ca04dee4a8fe98f46575e23ab63124f264ef0a61225428
Markdown7f66f822026d3c3c1d5159ff3c19034007082014790716769bb57de03403ccbc
PDF
Publication page5a71899d5b87457ecd8b4c2b16a60995642a5f1715ec33ceb076627706a1db8b
Manifest10040960c6693e912449e9e547ef118455191ba7117f02084f2331cfe805fcce

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
SignatureEVznD5SuV/Phn+qcCYGAk7J7v1zNA79q1tTpW9tES2G63KuekhiJh/B/ublm3dsnUzlv1QpnpryZisEXe5cABg==
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

2026-09-17T12:02:14.842086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017180
observed 5a71899d5b87457ecd8b4c2b16a60995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.825894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017180/manifest.json
observed 10040960c6693e912449e9e547ef1184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.810163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017180/publication.md
observed 7f66f822026d3c3c1d5159ff3c190340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.795065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017180/publication.txt
observed c7a199de01b8ca25a8ca04dee4a8fe98...
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.