OpenTechnical

OT-2026-000013280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000013280) never changes.

Identity and time

Publication numberOT-2026-000013280 · never reused
Internal UUID01a0ae6d-6fc9-7ec4-b5ad-10f3aea21128 · 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-2026-000013280
StatusPUBLIC

Content hashes

Canonical text8a2b1837b78eac7b969a8b7009bc8045ecd1fd33ddb5540229b3deed480c0558
Markdownafe9c928b031db2d27aa3b627b0c879bc6974a71e81f5c9ac563a537a9aeffe9
PDF
Publication page206f0fb54b20d40eed3e1ba656454ea93007849a42bed88d63b01b2a7cc5cb67
Manifest1a8ac2661acf51ff3910552039264eafc420253a6d3096a8887447a12b7865b8

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
SignatureQ0FS5QK50TFxaiywRmNwPcQ/MWfG8UgWF4I6gRN9zXX1Nu7F7IIItCC2gfbCyAjP9UWVAI28r2wL9CwVldMACA==
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

2026-09-17T12:09:41.907799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013280
observed 206f0fb54b20d40eed3e1ba656454ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.884664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013280/manifest.json
observed 1a8ac2661acf51ff3910552039264eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.863849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013280/publication.md
observed afe9c928b031db2d27aa3b627b0c879b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.840385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013280/publication.txt
observed 8a2b1837b78eac7b969a8b7009bc8045...
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.