OpenTechnical

OT-2026-000018661

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018661) never changes.

Identity and time

Publication numberOT-2026-000018661 · never reused
Internal UUID01a0ae6e-d520-7925-b290-d6c50c589773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018661
StatusPUBLIC

Content hashes

Canonical text4c38029772cba488246a7c9f6eacd7e030e4a5205f5f67e36296b38db23f0ccf
Markdown347128358e632fe5a2fdc21e8dd06271552b89e3edbe3352807f94a8253bad2d
PDF
Publication page417f8c66e6ce9bb8dda83cd90ef9d920d514d9de6c35a18770c6bda7f987762f
Manifestc11f498a65312950b4bf9fc1befb14d505469cbd29fe0ebabbb52511860aea4a

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
Signature4nkRgctGhPVYu6FYj9hUOQ9XOHBu9kYlYH+N3aZv8cj5WziXeDbLI0V08gU+3sK8HrCSnPxHx/btiHIx/CIICg==
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

2026-09-17T11:59:15.262482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018661
observed 417f8c66e6ce9bb8dda83cd90ef9d920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.243622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018661/manifest.json
observed c11f498a65312950b4bf9fc1befb14d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.224288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018661/publication.md
observed 347128358e632fe5a2fdc21e8dd06271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.203656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018661/publication.txt
observed 4c38029772cba488246a7c9f6eacd7e0...
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.