OpenTechnical

OT-2026-000067355

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000067355) never changes.

Identity and time

Publication numberOT-2026-000067355 · never reused
Internal UUID01a0ae8f-6bd8-78e5-b545-2e4b1786fdf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067355
StatusPUBLIC

Content hashes

Canonical text685f34770627114beb4848f89e874283fe60b3777d111fec0dd3bf2143b88fe9
Markdown2dc5eec9b754f063424aa1b384963831e0666e0bdced8b1c48e0e7adc21e81cb
PDF
Publication page82efb00d5c8fd48496832057b7a91463112e5ec2f6bac951d77edac537546204
Manifest56bdb11bff83b97083ea8ea933dc02a463ad4666112d04b73ed40c3c7593968d

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
Signature/rY5sbUEWJNPQZpxoDLE6fpDC5V/O5VVBF9s95OpRbTf8U0dthYjanQ8zePw3X1J3AFmR5WRsO3qz3cJNlFTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:31.904365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067355
observed 82efb00d5c8fd48496832057b7a91463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.886900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067355/manifest.json
observed 56bdb11bff83b97083ea8ea933dc02a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.869144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067355/publication.md
observed 2dc5eec9b754f063424aa1b384963831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.851806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067355/publication.txt
observed 685f34770627114beb4848f89e874283...
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.