OpenTechnical

OT-2026-000048812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048812) never changes.

Identity and time

Publication numberOT-2026-000048812 · never reused
Internal UUID01a0ae80-c32d-7bed-ae32-1c3b8dc88237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048812
StatusPUBLIC

Content hashes

Canonical text677bf45f28a19e07a02f96e203412d2ce5f368d0403169e3db404a90f533f6c9
Markdown19463bd981924fbcf27273896023013e385bcde036ce09e6379e58daf4b204fd
PDF
Publication page0f7adc465ed52c01b8a5929b0798e93a6eb528bff0e961a06e94bfbb2ebc0bd6
Manifest03d65fe423692ed14cd0baadbf03e3f8693fb11cafb75e9e5fcf14201c9da25b

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
Signaturev9ZY8iSDZhY7Stao+rGAsC6C0JhYHWK3N6B+/vvVosOtlVStscETOIlCZVTvKbblS6OqUB8fWDYGfJmFcIZmDg==
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

2026-09-17T11:04:32.187890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048812
observed 0f7adc465ed52c01b8a5929b0798e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.162953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048812/manifest.json
observed 03d65fe423692ed14cd0baadbf03e3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.132328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048812/publication.md
observed 19463bd981924fbcf27273896023013e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.106518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048812/publication.txt
observed 677bf45f28a19e07a02f96e203412d2c...
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.