OpenTechnical

OT-2026-000040832

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040832) never changes.

Identity and time

Publication numberOT-2026-000040832 · never reused
Internal UUID01a0ae79-6d10-72e6-b70b-272f9ddbc80e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040832
StatusPUBLIC

Content hashes

Canonical text5fdbe16950807616e94d7b69207163e904954208d93b44c1311738b1fea2fbca
Markdown5d4dd1bfd18670631925f311d3e76f1d003ad1399ba0d213d66477277d12e3f4
PDF
Publication page0da5e420c7265e0501979e85b7eb632c537454a19f2cb778e67d097137995398
Manifest6a9409c03882b1b1ffe8305da7af8c34e836bc0464bc03105f8cfdd0a6a18022

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
SignatureMftxzW1Q0K7GrgPNzgpR6FadPp4JzA6DsGihg8HEhxmmjH0wOLy7XhQFlXnR16HdSO/pB/MzzXha0L0XUPdSBg==
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

2026-09-17T11:20:10.412624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832
observed 0da5e420c7265e0501979e85b7eb632c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.393234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/manifest.json
observed 6a9409c03882b1b1ffe8305da7af8c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.377101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/publication.md
observed 5d4dd1bfd18670631925f311d3e76f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.343832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/publication.txt
observed 5fdbe16950807616e94d7b69207163e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.392015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832
observed 0da5e420c7265e0501979e85b7eb632c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.375563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/manifest.json
observed 6a9409c03882b1b1ffe8305da7af8c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.343672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/publication.md
observed 5d4dd1bfd18670631925f311d3e76f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.310550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040832/publication.txt
observed 5fdbe16950807616e94d7b69207163e9...
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.