OpenTechnical

OT-2026-000030304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000030304) never changes.

Identity and time

Publication numberOT-2026-000030304 · never reused
Internal UUID01a0ae73-e501-7f0b-8169-8c3decd15198 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030304
StatusPUBLIC

Content hashes

Canonical textd0a2b6fea5abb0b01a6ecfb9bf673c509833f2f9f5b7d69536efbc89cc7d19c3
Markdownddc98a30cfed964b06ae0a01cdd0589becda43586683ae98ff58d66d93bd90f8
PDF
Publication page0e9e4b77cdd56b3b2713fe05b846cc285f141719b81e0f41fba1853eb273feeb
Manifestbbd36e6db5510a08d0056a45f01bb2d8b57c630224cf5a30a396d526754c765f

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
SignatureVX1ecxDxNFT+A7ShBK2Q0hVmjvXj6yTR5d0uksk5lwKZCt6SmXVUABIKUL8ClWQVT7TY02wrfKnQ0ZEvNyDmDg==
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

2026-09-17T11:38:00.333334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030304
observed 0e9e4b77cdd56b3b2713fe05b846cc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.314559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030304/manifest.json
observed bbd36e6db5510a08d0056a45f01bb2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.189019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030304/publication.md
observed ddc98a30cfed964b06ae0a01cdd0589b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.169607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030304/publication.txt
observed d0a2b6fea5abb0b01a6ecfb9bf673c50...
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.