OpenTechnical

OT-2026-000048225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000048225) never changes.

Identity and time

Publication numberOT-2026-000048225 · never reused
Internal UUID01a0ae80-4de2-7a98-b1cd-db186027798d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048225
StatusPUBLIC

Content hashes

Canonical textfca9334f8efadd05bf7d92256fbec5206f0fda41c04388b67692d85b33075de6
Markdown8064cb0b054c3b5cc259ecf84a2e8952276d99f1430512b8de5b9d5cff40e957
PDF
Publication page7f0ae0015f7a84d706eb70eb1c6db50403f98df4d753f15d670bb4cca2711bca
Manifestaf83a0dc679b4e2ad8889b5d12fe048a78513c90cf98fbad444794b7e6ad3d9c

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
SignatureJ+vDlge1TCk7Je2mNw2Tvdy+GNhtOsHIE+XxiMEPcG83zQAcfsfQYDZGbMUACq5z15hJwixTC30sOxDX6Gh5Dg==
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

2026-09-17T11:04:46.848584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048225
observed 7f0ae0015f7a84d706eb70eb1c6db504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.828706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048225/manifest.json
observed af83a0dc679b4e2ad8889b5d12fe048a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.809265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048225/publication.md
observed 8064cb0b054c3b5cc259ecf84a2e8952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.791403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048225/publication.txt
observed fca9334f8efadd05bf7d92256fbec520...
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.