OpenTechnical

OT-2026-000013529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000013529) never changes.

Identity and time

Publication numberOT-2026-000013529 · never reused
Internal UUID01a0ae6d-6fcb-7355-87ab-2bdc3258fa17 · 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-2026-000013529
StatusPUBLIC

Content hashes

Canonical text81d67de762348f9b2c8f7da4c5b85e187dfdc3b703f3084b503acbfb5b1d7d49
Markdown5f9413542292cf06b9a81ef61011677037b69ebd80f8c32f01c8c36dd9914635
PDF
Publication pageacbbce900eb5b3eafc7bec8d0b0bc40ecefb8f8abf16a6c4cb5c3d8d33454d4b
Manifest9901e42ea729038c3459eea8683d695637cf68c374fe777dd75b8658ba0618f5

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
SignaturesYutoWmZ4c2vwmar5Vj3BHNg7gRhVmO2Neav3FAOL6nF6zEcCrorZxjVFPUbDDIHHo3sPJcG3AOOlqWZTvwWDg==
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

2026-09-17T12:10:02.750887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013529
observed acbbce900eb5b3eafc7bec8d0b0bc40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.729431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013529/manifest.json
observed 9901e42ea729038c3459eea8683d6956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.709754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013529/publication.md
observed 5f9413542292cf06b9a81ef610116770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.692982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013529/publication.txt
observed 81d67de762348f9b2c8f7da4c5b85e18...
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.