OpenTechnical

OT-2026-000062287

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000062287) never changes.

Identity and time

Publication numberOT-2026-000062287 · never reused
Internal UUID01a0ae8c-0abe-72a8-b9d4-6bd2aa381144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062287
StatusPUBLIC

Content hashes

Canonical text495069254ca5c4670be8b249bf4049a9d098bd9a7d22e100546eccaec253ecd1
Markdown85d9b3203f62cfcec2667327e624ec20db68bd71520c0f70743735868ac921ff
PDF
Publication page5a948d279e6357b8799c5e93012dfb2cea2f1ae3e236c17a6b98a80397b3af12
Manifeste14b6330a3fd87a7119a7a288b5801e7d0e8ef5493ab6b4caeafbad19e9d2f2b

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
SignatureIpBYLSYO7wLBKAJLoSbd96qhcNRaXeY5Iv/T58PdeJbj5aWknp756S65fIlagmRwjO1TzwSWL4FR7z8MHwPLDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:34.381792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062287
observed 5a948d279e6357b8799c5e93012dfb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.363299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062287/manifest.json
observed e14b6330a3fd87a7119a7a288b5801e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.344970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062287/publication.md
observed 85d9b3203f62cfcec2667327e624ec20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.326953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062287/publication.txt
observed 495069254ca5c4670be8b249bf4049a9...
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.