OpenTechnical

OT-2026-000043468

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000043468) never changes.

Identity and time

Publication numberOT-2026-000043468 · never reused
Internal UUID01a0ae7b-92ce-70ec-8016-043e49793b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043468
StatusPUBLIC

Content hashes

Canonical text1f8ec99f573f754f8a60627dccd6c70705083813d0085ce1f50dcafc6f2895b0
Markdownb0cfef1fb02592bd51612f82aa8d89b8e5ace66344f26d0d550a26ed2760c9b1
PDF
Publication pagec491d65d212cb11f0da823740705db6cc35a7c3abb6f586d1a21b6311af742d6
Manifest25f091990775b19f695f8f2d256916d0c437e80bb2f2f75206b161a94360128c

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
Signature1vWbTrZEeCttqyDsbbpFILa7+/ZDactcq0jGqPyZNxQXjRvDU8bxFpLdHZDSXf3yUSWr6D9u89ojHRXAW+XeDw==
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

2026-09-17T11:12:49.328530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043468
observed c491d65d212cb11f0da823740705db6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.310564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043468/manifest.json
observed 25f091990775b19f695f8f2d256916d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.291576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043468/publication.md
observed b0cfef1fb02592bd51612f82aa8d89b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.272228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043468/publication.txt
observed 1f8ec99f573f754f8a60627dccd6c707...
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.