OpenTechnical

OT-2026-000006487

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, two stage ejector

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-2026-000006487) never changes.

Identity and time

Publication numberOT-2026-000006487 · never reused
Internal UUID01a0a95c-f5d7-70ae-9b8e-5cdf75738b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:16.890479Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006487
StatusPUBLIC

Content hashes

Canonical textd3751b8689fee1393592af7d1b54b16ac7807e821670af20ebe532542efb560c
Markdown10c55cbade034a4ee7b487d43445f62e4026c8077b6a4d58a29afa071c32960e
PDF
Publication pageef68dcacf6ddd14d5092017efe86a3983154bb654cf54076ebaae2d7e6adf688
Manifest49f40943c061f2fc4da891c0058b36076594497db3d3be2bf9391b6a3e1f8f56

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
SignaturecTFivbpFpI/Nk4nN+LUOhwXTUkkygzBRVtesfuGirQM7QW/2OAijZvelcdxXwUxF/8ax+ak7xI+VJ48/qAXJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:11.967961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006487
observed ef68dcacf6ddd14d5092017efe86a398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.955853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006487/manifest.json
observed 49f40943c061f2fc4da891c0058b3607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.941153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006487/publication.md
observed 10c55cbade034a4ee7b487d43445f62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.925932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006487/publication.txt
observed d3751b8689fee1393592af7d1b54b16a...
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.