OpenTechnical

OT-2026-000025223

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000025223) never changes.

Identity and time

Publication numberOT-2026-000025223 · never reused
Internal UUID01a0ae71-5fa6-7089-a2f3-7cd30cf6f4a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025223
StatusPUBLIC

Content hashes

Canonical text0edcbc228b23e5dc080b2794302c7bd312b6dc8b913a8d248bd619738a1c660a
Markdown5f267f13b934aaa5c303aa4336549f63a78d233f119de0222638c1f7975ca431
PDF
Publication page7dd6df537cc04851c8d2d14754d9ddce2c84595dcc623e3498d4699a1e01fb36
Manifestec05510a2b98058b8bf4624878f39b58760ae559b79e127169c46be34afc1a46

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
SignatureUCnC8Fnlwjt34uaJqnamKlQg8Z9h9biAw15W7lBPk/KbL9iqBLF7hl6HnBeTMqfNZBjzD5n9esertATAkkVKAA==
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

2026-09-17T11:47:13.642148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025223
observed 7dd6df537cc04851c8d2d14754d9ddce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.624098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025223/manifest.json
observed ec05510a2b98058b8bf4624878f39b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.605547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025223/publication.md
observed 5f267f13b934aaa5c303aa4336549f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.588391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025223/publication.txt
observed 0edcbc228b23e5dc080b2794302c7bd3...
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.