OpenTechnical

OT-2026-000020370

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020370) never changes.

Identity and time

Publication numberOT-2026-000020370 · never reused
Internal UUID01a0ae6f-437b-7904-a288-5d6245e18a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020370
StatusPUBLIC

Content hashes

Canonical text437ba665843e7685e4872d42589facebb47efc5be020e7053763fb0b36f76eec
Markdownd75be8e8be253b0605b597ac6213d1aec8f04f77ffe003e61bf7352c8926ad03
PDF
Publication pagef3856eb417b270e8c92793847dc57e1be3e30865c51ce16053cb651453a52bbe
Manifest740f5d76986ca8335db5caeee7b66410c54c6cb320a16bcc939c9cbc133d59f2

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
SignaturelkgKScc1UVyjWZ7wvz2RrIS0IYnrjuuHWcqn4eUUc15Z2BhaJ6h+WBqaAXsOLc9VTge2KyFSIlLuFWgX2TVTBQ==
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

2026-09-17T12:00:10.494103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370
observed f3856eb417b270e8c92793847dc57e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.468932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/manifest.json
observed 740f5d76986ca8335db5caeee7b66410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.447239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/publication.md
observed d75be8e8be253b0605b597ac6213d1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.423802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/publication.txt
observed 437ba665843e7685e4872d42589faceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.128140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370
observed f3856eb417b270e8c92793847dc57e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.110611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/manifest.json
observed 740f5d76986ca8335db5caeee7b66410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.092179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/publication.md
observed d75be8e8be253b0605b597ac6213d1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:20.073392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020370/publication.txt
observed 437ba665843e7685e4872d42589faceb...
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.