OpenTechnical

OT-2026-000033620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033620) never changes.

Identity and time

Publication numberOT-2026-000033620 · never reused
Internal UUID01a0ae75-a38f-7ab2-9801-83bb5d3187d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033620
StatusPUBLIC

Content hashes

Canonical text3ff37d0b11c003aae2a5e18d06609fc7a42ba27751648b94838a4de96780fa32
Markdown4990e5fb6e9803de217dfb7b7b6f68b2b6d28dfceec36f5b644032cbcee3743b
PDF
Publication page80d1233dc87bbdc6d817f560c563ff1c2f7d81d85bfafc4a6a1ffb433430e046
Manifest6e496654ef795d175b9f8d9bf45452052aa817f7d9c8f44b742baef7142e46e4

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
Signature6B/V42pmf52wwPpD51p5wRj+KaGIgOxqmO43bDemE7XIuP85ywGzIKDqkL5/TURuciIi6C+cAJ4cCds+kTKeAw==
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

2026-09-17T11:31:35.815214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033620
observed 80d1233dc87bbdc6d817f560c563ff1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.798842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033620/manifest.json
observed 6e496654ef795d175b9f8d9bf4545205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.782971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033620/publication.md
observed 4990e5fb6e9803de217dfb7b7b6f68b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.765959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033620/publication.txt
observed 3ff37d0b11c003aae2a5e18d06609fc7...
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.