OpenTechnical

OT-2026-000050053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050053) never changes.

Identity and time

Publication numberOT-2026-000050053 · never reused
Internal UUID01a0ae81-fd78-7a40-b86a-efa60ca39b13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050053
StatusPUBLIC

Content hashes

Canonical text304bd3a5729e93a1e6313da8b664ea6ab7c25d0dffc8367002ff832c9d3bffce
Markdowna4ad3ed6989c4f0a08eb46c6e0526ff960d9cac450c6a4786517517e11d042fb
PDF
Publication page24090e022d5c265ae6e46d96e173df781698dfb58bb4f55ec65b6ae1babacc94
Manifest5a553a678d340158ed488212c32071f53ea871bb785be7c37ac021255839e355

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
SignatureBRQyrTdozxEk1Ue7S0AscLZZBRRznKAG3RhBiHVCGZQ3Ag8onj38JdO2U83D6oQT83szu4dL+nBZMvQr29cnBw==
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

2026-09-17T11:02:02.055756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050053
observed 24090e022d5c265ae6e46d96e173df78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.036018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050053/manifest.json
observed 5a553a678d340158ed488212c32071f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.016934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050053/publication.md
observed a4ad3ed6989c4f0a08eb46c6e0526ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.995790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050053/publication.txt
observed 304bd3a5729e93a1e6313da8b664ea6a...
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.