OpenTechnical

OT-2026-000003666

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, pump fed, contact triggered

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-2026-000003666) never changes.

Identity and time

Publication numberOT-2026-000003666 · never reused
Internal UUID01a0a90a-af6d-7940-92bd-86cf3fe104f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:24.911582Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003666
StatusPUBLIC

Content hashes

Canonical text17ae1f78d97a01c70e8c5a4116807ecb19e01cd44ffa5f8222208502f5a98327
Markdownf14aa5b11759af5f458e1969c97628e6b8f434e75f442d3e715b1dcaf8e407ca
PDF
Publication page91fb06aae0a0a89e1e87c25422330cd9a538ec8e7e2f67d97f77000e401e695e
Manifestb7f5d0c77b7955bf36d9b9d6cc6a285b1b04d3b703e1beafbf222ca4fe306bd6

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
SignatureNvG7htWm8XM7QerJcVntrH9YxtMXD384j+8k900N1S+4ePeLcXw5Ed9ulD6v+oRrmg6fjyOzeT8A6AXGxakqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:37.945103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003666
observed 91fb06aae0a0a89e1e87c25422330cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.930340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003666/manifest.json
observed b7f5d0c77b7955bf36d9b9d6cc6a285b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.914404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003666/publication.md
observed f14aa5b11759af5f458e1969c97628e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:37.899996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003666/publication.txt
observed 17ae1f78d97a01c70e8c5a4116807ecb...
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.