OpenTechnical

OT-2026-000031392

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031392) never changes.

Identity and time

Publication numberOT-2026-000031392 · never reused
Internal UUID01a0ae74-87ad-7aad-be24-4b1a877a53f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031392
StatusPUBLIC

Content hashes

Canonical text9c33d53693c4d642147fa369986518ea43dc559ab81edadbed23201be59bac86
Markdown23dc4c6c188fbe3b25b60250f5bc1612b9f6f1b335a67c29c65fe9c55c8e1a38
PDF
Publication pagec2f267cb7fd2de473ae1eacd9a33ca3e22b091aedc6d636688ad7e3cd451c5bc
Manifest6ced02e0bd7ce0d66522f707c5a86ba6f3b7c2ee10959721c696c07084a29406

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
SignatureFwoOawaLEDghkqPWAvDyCt97jGH2h1C5wNpxcCuRkvOvuSWLPoHlb1a2nHPA+ALnhzQTLWrGqgrNKyALacyAAg==
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

2026-09-17T11:36:06.146236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031392
observed c2f267cb7fd2de473ae1eacd9a33ca3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.128298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031392/manifest.json
observed 6ced02e0bd7ce0d66522f707c5a86ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.110612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031392/publication.md
observed 23dc4c6c188fbe3b25b60250f5bc1612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.091314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031392/publication.txt
observed 9c33d53693c4d642147fa369986518ea...
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.