OpenTechnical

OT-2026-000045153

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000045153) never changes.

Identity and time

Publication numberOT-2026-000045153 · never reused
Internal UUID01a0ae7c-f769-7b69-8db3-0c6648f8c6f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045153
StatusPUBLIC

Content hashes

Canonical text0998bedf4e9ea1a40dd6ced2d76cbdfd92657c5af70c3314a4580340620ffbfc
Markdown6b217d446eca0c664ce4a538aae1e28a04e3ac304bc606bca7c52625eadf0952
PDF
Publication page19b1bd0e4d285a922f8825cdb3e1f6ec0f1748bf6409073710a663f7587f5f40
Manifest8baad2bebb42b12e736d096b1b95612d70b9f76338964abe10197e35a5f1dbd2

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
SignatureJjhvffibWiKBJMxMfbMK7qXHcpbQraMLwMkqPso33EOXUGeQO8a4q1uAnYFJHM6abkTKKFi9fpnvFQ+yVD8BAg==
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

2026-09-17T11:10:18.545492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045153
observed 19b1bd0e4d285a922f8825cdb3e1f6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.527096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045153/manifest.json
observed 8baad2bebb42b12e736d096b1b95612d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.508928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045153/publication.md
observed 6b217d446eca0c664ce4a538aae1e28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.482424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045153/publication.txt
observed 0998bedf4e9ea1a40dd6ced2d76cbdfd...
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.