OpenTechnical

OT-2026-000013531

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000013531) never changes.

Identity and time

Publication numberOT-2026-000013531 · never reused
Internal UUID01a0ae6d-6fcb-7f84-a145-f4de4ad568fe · 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-2026-000013531
StatusPUBLIC

Content hashes

Canonical texte4fa267a94328c30c16b42a584c6bcba3a0c612c8faa41cf6f27ffe3d61a0ac9
Markdownde980740ac8382a1913c54889c1e1a5a466dcec4eb6d77cf665b06c6e0588278
PDF
Publication page9ce0200da155d42c4f9cf127fea7d2f54f5d8f5ade7ba3411129b613c7fbc3f6
Manifest6dc5e468e2cfe5020d042680d623122f9dd2d3b2c0ed85f0b855a5485bdbdb6d

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
SignatureJnm7jATetolV3S62YNbotF5iWrSsZsbWnPMDvzNaYxVJhw+W5wZPmE36HEMgFkCGVBpnw0BHXzDqent/WPE6DQ==
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

2026-09-17T12:09:22.112823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013531
observed 9ce0200da155d42c4f9cf127fea7d2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.091336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013531/manifest.json
observed 6dc5e468e2cfe5020d042680d623122f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.069498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013531/publication.md
observed de980740ac8382a1913c54889c1e1a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.047591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013531/publication.txt
observed e4fa267a94328c30c16b42a584c6bcba...
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.