OpenTechnical

OT-2026-000056558

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056558) never changes.

Identity and time

Publication numberOT-2026-000056558 · never reused
Internal UUID01a0ae87-7af5-78f1-8730-16ac48a334b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056558
StatusPUBLIC

Content hashes

Canonical text0d313656fcf920be910281a42805643ca40e4ca25619981d5eaec5503e3079a8
Markdownedd0a978a359ca8b49b8295652fd4abbcf89fb5f4940d255c88d415e94915487
PDF
Publication pagea3d9195420a561c122f455457f246a3489ec92f6da3ffd3fb29bc0d54988f985
Manifestb49333d3f9a1e17e6fb7b91325eacb3cd4b08969fad4be77a9950f4348120004

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
SignatureD8e2tK3En4AxG/Y8PqrzQ1xZDofA0WU9QiOUB2Y95+HUFs5PY6YvTKjJchS2cNMviBaLYdO15J1j2khV5YKzDg==
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

2026-09-17T10:49:53.657101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056558
observed a3d9195420a561c122f455457f246a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.639215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056558/manifest.json
observed b49333d3f9a1e17e6fb7b91325eacb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.620346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056558/publication.md
observed edd0a978a359ca8b49b8295652fd4abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.602351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056558/publication.txt
observed 0d313656fcf920be910281a42805643c...
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.