OpenTechnical

OT-2026-000056467

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000056467) never changes.

Identity and time

Publication numberOT-2026-000056467 · never reused
Internal UUID01a0ae87-4bd3-7ab1-a28d-033b3aa7f7d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056467
StatusPUBLIC

Content hashes

Canonical text7f15f6006cba530f5bbb2457fa350cf74d18111bf101bbe2f9d0e8390738af11
Markdown4cdf34486da286f35bbae425008af3f80d313d31da9370e859dccd4fbc8426b0
PDF
Publication pagea1967c417209897f7c4f274f69e0da9814fabfd16d02855d4ca61f2e91916027
Manifest2d3f8caf9f58a4c674919227f4987a6ca6d0368d019b48e7c0007533c7da08b0

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
SignaturegTph684B1QqG+vT5ietLekjTb8n9yZUvTwo6yvM6tUjsXLlaRnCCX78jieiFNs3SDt6g0tPeRH8jiLEYHwIoBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:00.438995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056467
observed a1967c417209897f7c4f274f69e0da98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.419214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056467/manifest.json
observed 2d3f8caf9f58a4c674919227f4987a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.400033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056467/publication.md
observed 4cdf34486da286f35bbae425008af3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.382865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056467/publication.txt
observed 7f15f6006cba530f5bbb2457fa350cf7...
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.