OpenTechnical

OT-2026-000017453

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017453) never changes.

Identity and time

Publication numberOT-2026-000017453 · never reused
Internal UUID01a0ae6e-76c9-702f-95f3-3c4693ce0c93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017453
StatusPUBLIC

Content hashes

Canonical text07aacaac33809efa53f7b6ffb554d3f14706b796db4a61ed527ae1f26346579d
Markdown22b925d547313b0bcd4d655c6c74fadd04a640587b3ccc98d439b15ff18588c6
PDF
Publication page1b6cb1f4e4274af1121419b7ebfa8e206058b0674f632fba6c72e8543cf7f929
Manifestd2d3665cf4e87889bb19b46bbccbe5196efbc3479ec023069937e4d1a1f4db63

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
Signature3r7Y585cuf8W6c3s9UpfM6k0UvKVPhZFJJCH2ajXipi/YmuLnaF7NujKm+hDHLU7N4rWNekqpa+HnnZ+H5tYDw==
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

2026-09-17T12:02:35.406705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017453
observed 1b6cb1f4e4274af1121419b7ebfa8e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.389425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017453/manifest.json
observed d2d3665cf4e87889bb19b46bbccbe519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.367497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017453/publication.md
observed 22b925d547313b0bcd4d655c6c74fadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.348905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017453/publication.txt
observed 07aacaac33809efa53f7b6ffb554d3f1...
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.