OpenTechnical

OT-2026-000021485

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000021485) never changes.

Identity and time

Publication numberOT-2026-000021485 · never reused
Internal UUID01a0ae6f-865d-794c-97b8-669ea6102b60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021485
StatusPUBLIC

Content hashes

Canonical text7eb9ceae39a93e3fda8118983b749382ea76d1ce903d7bb0883f320d729d2188
Markdowncbacdaa6512f45e5cfbc13e381117d2c06ba452d74fc02e31670d153b4e6a177
PDF
Publication page6d8100fbecd8e9618f8631fbc408a6242e694f82b6a19f1113dfb6b4cce19499
Manifest4b57c35e04993ca82695acda945fe4cd9b6a4aba55531b088ce0c62797667888

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
SignatureAlh/uOqOMJpHkTP5qOqV/t6kx6HUH93okY1Yi1zqWWhRvUP5cCbcr4qy8zRK73el3Nvts5ynDN2AoNWzCScVAA==
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

2026-09-17T11:55:24.023344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021485
observed 6d8100fbecd8e9618f8631fbc408a624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:24.001487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021485/manifest.json
observed 4b57c35e04993ca82695acda945fe4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:23.983982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021485/publication.md
observed cbacdaa6512f45e5cfbc13e381117d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:23.966362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021485/publication.txt
observed 7eb9ceae39a93e3fda8118983b749382...
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.