OpenTechnical

OT-2026-000010031

Publication integrity record

Four cup vacuum gripper, four 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-2026-000010031) never changes.

Identity and time

Publication numberOT-2026-000010031 · never reused
Internal UUID01a0ae6b-cb79-7605-9c8b-4e74204e1504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010031
StatusPUBLIC

Content hashes

Canonical text1f5f3b6c79fdcaf40d388252ad26fe6cf874c53bc7bb5985784af44287dabb87
Markdown71ccf8a8677e9dc3f55d2ced740e330e4470888cd42833b8ad39e463e3539f66
PDF
Publication page6e2551528dedc0f630a29b70b29196a5097f69133b07996c1a13add173e72af0
Manifest510cc34861d9218c6712cbf115a403ae491bf6f622be9ac1d981a5bb0976c9fd

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
SignaturerJltTJPnq0CXVTj+qVtRRfR5WwgGy6ZgAy/bPXZNMReBP3pabdh5iGhbV2tCYXy2Js3yZJayGggfuD3JT32mBQ==
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

2026-09-17T12:16:05.597234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010031
observed 6e2551528dedc0f630a29b70b29196a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.579416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010031/manifest.json
observed 510cc34861d9218c6712cbf115a403ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.561016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010031/publication.md
observed 71ccf8a8677e9dc3f55d2ced740e330e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:05.543396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010031/publication.txt
observed 1f5f3b6c79fdcaf40d388252ad26fe6c...
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.