OpenTechnical

OT-2026-000075470

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075470) never changes.

Identity and time

Publication numberOT-2026-000075470 · never reused
Internal UUID01a0ae93-f201-7b2b-a6f3-229711a706d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075470
StatusPUBLIC

Content hashes

Canonical textccade10758d6484fa17856718bc310a1aa06c835ef026343964eabf1123c1b93
Markdowne5339d63bd5ff2630e067034a871a24f7ac4d38c17336058e51f6595e25b1175
PDF
Publication page417990deadbdb90090a56e4eb12ca4a2b66fb29fdd0e2f80a5e5f0717c00fcdd
Manifesta4a24ebea95e33d826f737507a817e6c86d3a85d0296423fba957f77ff1a22d1

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
Signaturer3tyceMRJWVs5QktIz8vt87r8bz/59dQVsj0C62cU4wVCuqozZ+QvaQb2cLROGKn/7bpWl0VxQKMT23VK0vcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:46.453984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075470
observed 417990deadbdb90090a56e4eb12ca4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.312589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075470/manifest.json
observed a4a24ebea95e33d826f737507a817e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.293598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075470/publication.md
observed e5339d63bd5ff2630e067034a871a24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:46.275232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075470/publication.txt
observed ccade10758d6484fa17856718bc310a1...
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.