OpenTechnical

OT-2026-000013342

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000013342) never changes.

Identity and time

Publication numberOT-2026-000013342 · never reused
Internal UUID01a0ae6d-6fc9-7410-95d3-9f3315f27844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013342
StatusPUBLIC

Content hashes

Canonical text991dab01fa0e59102a793b2bffbfd8dbbe60f4385326b8faf349ab7487681e0c
Markdown06aaa02c7cf2bcef23f1d04196e2f2373506ca19e214347a7cac3c499b8f8883
PDF
Publication pagead9d99c7b652c14f1c6b4cfcfb227f47f46f9995b40a3f631a67f628fc797b9f
Manifest443843d684b89c81721f87b407987cd0ca7c4694b72ad5aede9ffff464b91333

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
Signature8BOpKlveOEYtkrWUZxpvbZVtoS9IHXhpineeUM4WBPfnjY6rWi0x09bU+HbU7aZXmVqS9YK64b0VU/B1bpYkBg==
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

2026-09-17T12:09:47.211859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013342
observed ad9d99c7b652c14f1c6b4cfcfb227f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.188951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013342/manifest.json
observed 443843d684b89c81721f87b407987cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.166010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013342/publication.md
observed 06aaa02c7cf2bcef23f1d04196e2f237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:47.140458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013342/publication.txt
observed 991dab01fa0e59102a793b2bffbfd8db...
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.