OpenTechnical

OT-2026-000018557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000018557) never changes.

Identity and time

Publication numberOT-2026-000018557 · never reused
Internal UUID01a0ae6e-b48a-7093-adad-028d54cd7018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018557
StatusPUBLIC

Content hashes

Canonical text3dd7a7f5bfb1bce7540a0a914b257a754fd53623e885efdacc721a9911f7e9dd
Markdownc9f028f3aaeac4a57eec9b726dcb63706ddfffaeb3ecf2ddf9158d2d1d861416
PDF
Publication page924b981e81b1c86467fc7f0a8bf1cc1ebddb38a49c5d7a5b668c4ec8e824f29a
Manifest5073a5453c33808de6f307d509c4e71e39b4c14cb5bcabbc0101aee8f11c0fc0

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
Signature3U9i97R/LSxe9eUMX4wPVqttgdVSzaScUrJc+av7Ct999lp8jOWG4BF5wP+vdl70xpMv/31tYyeCya5b7XH7CA==
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

2026-09-17T12:01:20.290476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018557
observed 924b981e81b1c86467fc7f0a8bf1cc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.272976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018557/manifest.json
observed 5073a5453c33808de6f307d509c4e71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.254367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018557/publication.md
observed c9f028f3aaeac4a57eec9b726dcb6370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.237858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018557/publication.txt
observed 3dd7a7f5bfb1bce7540a0a914b257a75...
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.