OpenTechnical

OT-2026-000016971

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000016971) never changes.

Identity and time

Publication numberOT-2026-000016971 · never reused
Internal UUID01a0ae6e-591a-7424-8f6b-ab345ae61aa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016971
StatusPUBLIC

Content hashes

Canonical text157d2d666c6083de72afc13d7ac8e97271d35191e53406fe73885f883dfdc102
Markdownbfbf7dbc86ece78a12921cfbc5098e20e0e71b7015e438d8e58948b6eed093d8
PDF
Publication pagefcd4b2115b4cb741ef653dcb2bdd6fb4dfa6b2cb865765e3d17bcd5f5843773e
Manifest9a63683b34ea04a66db60948879d75a054be53357fa4a93e49e8fed695570ca9

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
SignatureeNS/rczJq8IuZYoN3pbgUM1x4CyW8uZzlyi6M5JWWi23x9sqhvBzRo2OrsNrF5e2mpo6dM4yUumuisLeVOt0Aw==
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

2026-09-17T12:03:22.089982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016971
observed fcd4b2115b4cb741ef653dcb2bdd6fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.072880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016971/manifest.json
observed 9a63683b34ea04a66db60948879d75a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.055216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016971/publication.md
observed bfbf7dbc86ece78a12921cfbc5098e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.039354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016971/publication.txt
observed 157d2d666c6083de72afc13d7ac8e972...
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.