OpenTechnical

OT-2026-000038978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038978) never changes.

Identity and time

Publication numberOT-2026-000038978 · never reused
Internal UUID01a0ae78-76a0-71c8-80ab-663d4bca579b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038978
StatusPUBLIC

Content hashes

Canonical text607d92c932d4898b6d09a29b0fda13e42fa062f0db3b41100bd51c0ff277b16b
Markdown4ba7ec944d0a3101ef14f136cc7ba67eec4cdaee9bac845624e211e7cae7833f
PDF
Publication page40da0cb37a1bbd337039982b6e5d6052c8901368c35a19978f42ec9335dffd10
Manifest685c2bb724ad5790bf6248415fd2cd5df82c790c9d5df20136412cc2e9ecf57d

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
SignatureeXA/LztFPKfF63rqUkWSmQoW+5ZfWQUl9jePso/XvpWIVUNa0NWkxuV762m+sOylaXtxwnLvczqbxhdQBT0vAw==
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

2026-09-17T11:22:15.546034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038978
observed 40da0cb37a1bbd337039982b6e5d6052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.526744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038978/manifest.json
observed 685c2bb724ad5790bf6248415fd2cd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.507800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038978/publication.md
observed 4ba7ec944d0a3101ef14f136cc7ba67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.487728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038978/publication.txt
observed 607d92c932d4898b6d09a29b0fda13e4...
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.