OpenTechnical

OT-2026-000030868

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000030868) never changes.

Identity and time

Publication numberOT-2026-000030868 · never reused
Internal UUID01a0ae74-3fb5-7ac5-8b8a-e34c6c644f2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030868
StatusPUBLIC

Content hashes

Canonical texta43e9aca7b3b2f43892fb0f1f7bd5412d545ea92f6b0166eed493da153ab2284
Markdownbaab20fedc9540ed0b336bf875a288e50b92f8dfca4e324065fb09bc269ab69a
PDF
Publication page40f9458ce26ea8afc0fb512626ddde526e67db181fdf47bd7272c7d4bc2d4778
Manifestca42be495aeaf7ce51321b3a08d60c745981ac4f45f803453c70bcdbead0ad20

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
SignatureNKKt5hKhVmp0ueUUmkVawZD5k/GaTVnzZf0Asb/adr/ZJ4q0H3xQKnLu7np5ddqyC2Zm9SgQziGPQNgwEiuECA==
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

2026-09-17T11:36:50.795244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030868
observed 40f9458ce26ea8afc0fb512626ddde52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.776974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030868/manifest.json
observed ca42be495aeaf7ce51321b3a08d60c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.758838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030868/publication.md
observed baab20fedc9540ed0b336bf875a288e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.742515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030868/publication.txt
observed a43e9aca7b3b2f43892fb0f1f7bd5412...
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.