OpenTechnical

OT-2026-000024621

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000024621) never changes.

Identity and time

Publication numberOT-2026-000024621 · never reused
Internal UUID01a0ae71-2725-7e6a-bbef-f55a771acbb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024621
StatusPUBLIC

Content hashes

Canonical text92bae3708a58045ccfe3cb809d6b7b975fb430a375d45092ac3e98626f32a25b
Markdown1b5ed1a5b2791646c09e4f011e6259dde171ab4a1ff57f4d0eec12afecddc345
PDF
Publication pagef3a11827bb0a5793d4ca3092a4a3572cda8872f7d078a03ff6e168a2a4022988
Manifestbe8828d2858cf85f3c99ed3b5f9c0bc725b949c984c4629d89165156f22b038b

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
SignaturezpTQ5voh04DugPtycU7gRmL0dMQwSn6ky44FXKUwuCQG0b9WgufCsejZivONvG6y/W5bgsFieoaWzZk+tCblBw==
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

2026-09-17T11:47:48.692398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024621
observed f3a11827bb0a5793d4ca3092a4a3572c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.676533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024621/manifest.json
observed be8828d2858cf85f3c99ed3b5f9c0bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.659649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024621/publication.md
observed 1b5ed1a5b2791646c09e4f011e6259dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.639244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024621/publication.txt
observed 92bae3708a58045ccfe3cb809d6b7b97...
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.