OpenTechnical

OT-2026-000025589

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000025589) never changes.

Identity and time

Publication numberOT-2026-000025589 · never reused
Internal UUID01a0ae71-5fa8-7a05-8b49-2ddf30fe5724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025589
StatusPUBLIC

Content hashes

Canonical text8d65cdaeb232b141ce2e2c1e3e3a5b26bc9cf79fb4a28aa69659dfdf3fdd0088
Markdown2523fd71cd37b09619b6a746b8b6be2a115a85231290834827e72a23243b9a59
PDF
Publication page4186b049645c3f47a6446bbb86f7a3d4f73dac9c9119e93c390b1025105ff059
Manifest2c67ae6f7ae67d397a20a88bdea44deac492c395f1e23f62c15328eff2c9e4bf

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
Signature6HaubB5BS8dt1xAE+ZSUJH+LTIfXYycjzqHu0E2Wnn4tVwdijnY6abZYf/dByrXj2aoMUk3WVlSvFNwvD1jTAg==
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

2026-09-17T11:47:45.428024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025589
observed 4186b049645c3f47a6446bbb86f7a3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.408090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025589/manifest.json
observed 2c67ae6f7ae67d397a20a88bdea44dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.385295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025589/publication.md
observed 2523fd71cd37b09619b6a746b8b6be2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.358767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025589/publication.txt
observed 8d65cdaeb232b141ce2e2c1e3e3a5b26...
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.