OpenTechnical

OT-2026-000030384

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030384) never changes.

Identity and time

Publication numberOT-2026-000030384 · never reused
Internal UUID01a0ae73-e503-73a8-b7a1-c78dc1058291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030384
StatusPUBLIC

Content hashes

Canonical text99e90b68e681d8364e2f6176f1a8c3e05b333f6f22cc455577de0d37ba49e795
Markdown0d81ba9cc618bc2f81d209916a8862f651fc64834b19fe2c10806e7f9d2d0316
PDF
Publication page47632095404b8bb5d828cea561599cbd92797af2dc119696e641f431e2c5a624
Manifest69037297d8653f4c6426e1257474d851c53f142e36ec719de1099858f819221d

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
SignatureJ99V24lIzqXyfOQfyjWBFrM3DyxJtLmJPUTk3ZbPDCfR6f2rwoevfIsuULsjOqO7Z4LNvn9Jbfj+LNX+vmjdCg==
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

2026-09-17T11:38:06.588650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030384
observed 47632095404b8bb5d828cea561599cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.572188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030384/manifest.json
observed 69037297d8653f4c6426e1257474d851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.556502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030384/publication.md
observed 0d81ba9cc618bc2f81d209916a8862f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.539368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030384/publication.txt
observed 99e90b68e681d8364e2f6176f1a8c3e0...
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.