OpenTechnical

OT-2026-000104016

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000104016) never changes.

Identity and time

Publication numberOT-2026-000104016 · never reused
Internal UUID01a0aea5-15e9-7123-a0c5-f81e2cb239a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104016
StatusPUBLIC

Content hashes

Canonical text2fac0236d87fc77a2957239c7b0257c59e9bbf4a3769f013e03534120e210205
Markdown1421a64d17c9ce3f1d77f551b56426228ed49feee717bd4cdbcfb6e640d4168e
PDF
Publication page825b5b93c2e21f7727f65098fb292e0d902fb5a8f3b629d45927cd82e5316de7
Manifest0589d0b8d0ddd2424ba290ac89b4e0939184fa1ae398678ba6e1b9daef31d8f6

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
SignatureaIwwBw94SK9MingAK3Cn7pfhLt0TPfR+HJmZROTiNj5tc9FmIIUGvDIJ5L+CS0AzU2RTsOETOwKGVi/94Rs/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:01.751368ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000104016
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.734536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104016/manifest.json
observed 0589d0b8d0ddd2424ba290ac89b4e093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.717082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104016/publication.md
observed 1421a64d17c9ce3f1d77f551b5642622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.700795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104016/publication.txt
observed 2fac0236d87fc77a2957239c7b0257c5...
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.