OpenTechnical

OT-2026-000031019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000031019) never changes.

Identity and time

Publication numberOT-2026-000031019 · never reused
Internal UUID01a0ae74-3fb7-7dea-b5ef-67123d521891 · 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-2026-000031019
StatusPUBLIC

Content hashes

Canonical text0c7b1baed1d689069a1b721507d36c5b0623bf87ac119990aaadc8ca76b957cb
Markdowndf717a238e2bd35dc5333ed19a24b81c8ef10235d0548bee7aca3d205e942402
PDF
Publication page1056a858c807607da723c6ae5485eda5ef90ded0f01a08cbb5c65e6629a60c76
Manifestd6e2608a9144d0837fd063f763a0b861a7ac08ee184f3c859e6954682d1da286

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
Signature5uQjko7sXlPUi7P6DMwdwJFsABJPMQp7VpkvEz0PARzcOMqvpLdsY0zBW7XbvNb3+ZXkB6DeWoscfB8MGyodCQ==
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

2026-09-17T11:40:06.754612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019
observed 1056a858c807607da723c6ae5485eda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.734762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/manifest.json
observed d6e2608a9144d0837fd063f763a0b861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.714635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/publication.md
observed df717a238e2bd35dc5333ed19a24b81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.695429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/publication.txt
observed 0c7b1baed1d689069a1b721507d36c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.722477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019
observed 1056a858c807607da723c6ae5485eda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.703440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/manifest.json
observed d6e2608a9144d0837fd063f763a0b861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.686375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/publication.md
observed df717a238e2bd35dc5333ed19a24b81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.668388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031019/publication.txt
observed 0c7b1baed1d689069a1b721507d36c5b...
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.