OpenTechnical

OT-2026-000041599

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000041599) never changes.

Identity and time

Publication numberOT-2026-000041599 · never reused
Internal UUID01a0ae79-e8a0-7c6e-84a4-04b57abe6e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041599
StatusPUBLIC

Content hashes

Canonical textb79e9264762f0307722af127663a56046b020242358d89e2ee9c40ec55e9a0a5
Markdowne9aea0f62f166514f8afb268f7f4685a844a749f703075b48d74aabc6a349af9
PDF
Publication page9c57add9d35b8c71a75ae426020ca5dfb77a14e1da29590d1c615930285ab277
Manifeste2db4a99ada1bc6122cdd212e225830a9ee7a9a164321d84f3cde24e76672db9

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
SignatureUky7Fpey79gN7wR5B4+qrxOY4QFiGZWbxzYTYKgamEh9ErVMfxfGQFv1mknVBwmzEfpIVUOSPHEYVQ3Rr6ozBg==
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

2026-09-17T11:16:23.415598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041599
observed 9c57add9d35b8c71a75ae426020ca5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.397013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041599/manifest.json
observed e2db4a99ada1bc6122cdd212e225830a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.380208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041599/publication.md
observed e9aea0f62f166514f8afb268f7f4685a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.364057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041599/publication.txt
observed b79e9264762f0307722af127663a5604...
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.