OpenTechnical

OT-2026-000044549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000044549) never changes.

Identity and time

Publication numberOT-2026-000044549 · never reused
Internal UUID01a0ae7c-39d9-77ae-a0cd-881009207c87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044549
StatusPUBLIC

Content hashes

Canonical textc1ed001c6921fc7197942d882619afa6535620839187e18a303063f21f1d44cb
Markdown3ad189aeb5862e81e7dcb28c931a3ff16c10d05126db9fa88840c6ac04a293cf
PDF
Publication pagefa2b4a519007e4e577aa8c4d7c8f1a5ed8b9d35c4eb58bd9f8fe252468d0b680
Manifest51e4530866becc04ea610d0e7b22adb8d86f329dd2df0bbf03c95aa06b8889fd

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
Signature6nQkO28niPcWknO/WGtwvxjHJYYxZvLXEKx0YQSo4BejhJkp2Eu30QQx62+H8+0fi083acw3sS0CPuTMlAmwAA==
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

2026-09-17T11:11:44.248692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044549
observed fa2b4a519007e4e577aa8c4d7c8f1a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.229693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044549/manifest.json
observed 51e4530866becc04ea610d0e7b22adb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.196641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044549/publication.md
observed 3ad189aeb5862e81e7dcb28c931a3ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.163395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044549/publication.txt
observed c1ed001c6921fc7197942d882619afa6...
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.