OpenTechnical

OT-2026-000066452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000066452) never changes.

Identity and time

Publication numberOT-2026-000066452 · never reused
Internal UUID01a0ae8e-ce40-7b17-9ad6-659e45e0e789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066452
StatusPUBLIC

Content hashes

Canonical textc05683532041120b2d7f35883e2289b45903a84a28dcab23f24196d56fe0d635
Markdownf1b61149919b0deccb271f42c548e08d7ce6bd2bb96880bfca7a870633cc3c9a
PDF
Publication page074c649c57e4ecd45e81a9adb3cce268ff37d1677b4abb1c756a2e31911216d7
Manifestef190827f8d0d1a3f507b51fd3267d32f3f8f25b975ed0721de9add3650e0ba5

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
Signatureq/YnnKMWhUMXwTibBVUOFMnNgufgOZLNyylJJXW7xgLee9OQgF1wNqdWO5kDoYvwDC+8N93EfW4cxdvULB6bBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:42.000719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066452
observed 074c649c57e4ecd45e81a9adb3cce268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.982546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066452/manifest.json
observed ef190827f8d0d1a3f507b51fd3267d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.966351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066452/publication.md
observed f1b61149919b0deccb271f42c548e08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.949609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066452/publication.txt
observed c05683532041120b2d7f35883e2289b4...
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.