OpenTechnical

OT-2026-000018692

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000018692) never changes.

Identity and time

Publication numberOT-2026-000018692 · never reused
Internal UUID01a0ae6e-d520-7693-8b81-39b000034a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018692
StatusPUBLIC

Content hashes

Canonical text96288d4c748924d63995ded8c9ad8b9d65bf8e33ff57fc7a2b968821057a931f
Markdownb0deba92b154c9c73bf6515716ea2cd71bd66b52a909d1aca75109301fd4ae87
PDF
Publication pagec13ce590823b981bc1d2368daa6d1fb65d5a57cad60046d903822397c0bc3dd8
Manifest55e60d189ef4dec2c31d531b023c8e93ba0d032669751dbe14ee698d0b9a3313

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
Signature0MaeHbLJecaUfiLxDRRPMUJx0N+ih5irGn+KgVPpYXjjDwP+J0GYzOcNfil6AlihoKBkClv/z0xI4ymvzBSADQ==
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

2026-09-17T11:59:17.498077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018692
observed c13ce590823b981bc1d2368daa6d1fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.478156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018692/manifest.json
observed 55e60d189ef4dec2c31d531b023c8e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.460084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018692/publication.md
observed b0deba92b154c9c73bf6515716ea2cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.440479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018692/publication.txt
observed 96288d4c748924d63995ded8c9ad8b9d...
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.