OpenTechnical

OT-2026-000048488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000048488) never changes.

Identity and time

Publication numberOT-2026-000048488 · never reused
Internal UUID01a0ae80-4de5-79d6-8999-b851e500ec5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048488
StatusPUBLIC

Content hashes

Canonical textbdc3253ab5431499ffcb45d5e8ae5be5cf838146dd5836e34eb6adc5783b4c05
Markdown80db3177aa62b7ceb195cc5addd8085cdd2de159706460464c4fa81641dac54a
PDF
Publication pagef40070ac072d20aa3abb65e188bab400321d3fdd4c2d01939bee974b6f73b2b5
Manifestfe20c6552d5493612cd6e6433a5e97ba010009651f9a15446dca56bad9ad3fae

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
SignatureuNoTQqDVbtwYLuJH1qh+R7JF13+9bvskVyD/HTbIkUdpw3lr8JmWi1ZGjOpAWU3RVApmu9ksOi2Mo1Iv98uqBA==
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

2026-09-17T11:05:09.445871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048488
observed f40070ac072d20aa3abb65e188bab400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.425123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048488/manifest.json
observed fe20c6552d5493612cd6e6433a5e97ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.397317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048488/publication.md
observed 80db3177aa62b7ceb195cc5addd8085c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.370448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048488/publication.txt
observed bdc3253ab5431499ffcb45d5e8ae5be5...
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.