OpenTechnical

OT-2026-000031495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000031495) never changes.

Identity and time

Publication numberOT-2026-000031495 · never reused
Internal UUID01a0ae74-87ae-718e-8ab9-497f1a4a617c · 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-2026-000031495
StatusPUBLIC

Content hashes

Canonical text72d739c6e9d1d037bd8701526e987a07d3c28214a0262c9db1a45c2a3dfe7b73
Markdownca5fa41c5f0f98289248d8c5b64c4c875d301c19f812e6ab89a3a1262d862ac1
PDF
Publication pagecb196c6f99ad77f2538f8bb5cd8d22010f9b8336b470f616d5481c22b1affe41
Manifest047a9683638d75e5eae790d61cd8444031ebd6e8242c47cc3a53ea41fc80cf93

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
SignatureQLWO54WK6Xy6DtAGHj/kAmQh/yFJu8iUleIL7YBaOrxPqaEoccL8iK6alwqyjCT9lAT+UvVDblE57qGcHtBFCw==
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

2026-09-17T11:36:19.421092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031495
observed cb196c6f99ad77f2538f8bb5cd8d2201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.404648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031495/manifest.json
observed 047a9683638d75e5eae790d61cd84440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.385966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031495/publication.md
observed ca5fa41c5f0f98289248d8c5b64c4c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.367201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031495/publication.txt
observed 72d739c6e9d1d037bd8701526e987a07...
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.