OpenTechnical

OT-2026-000033953

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000033953) never changes.

Identity and time

Publication numberOT-2026-000033953 · never reused
Internal UUID01a0ae75-df0b-798b-b6f2-ec19c7b67e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033953
StatusPUBLIC

Content hashes

Canonical text53ef75304a75e9fe26caf29cd735c10b29262ca689619b5539e94d1576bba525
Markdown86b6834d6089a663b151c564913de21ccc922270f6b09c7fa65ee5937e28f648
PDF
Publication page8febf232ad510e46d38162dc6cd6962bbc12cb73b7d73175115b812e695b85d4
Manifest0dfa96514bcf053e6e01ebb7fa541155d9e3dd82a3c8704ea8c7a54a26d2d9b5

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
SignatureqEn6cM0U2NMWNWsRqRVUZyKXkKAwdUd6ynX1G+vibnFNOBf9r92WFBBWcfkq8qItJXFZ18tQO6k9y9LS8u19BA==
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

2026-09-17T11:30:04.521007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033953
observed 8febf232ad510e46d38162dc6cd6962b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.500233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033953/manifest.json
observed 0dfa96514bcf053e6e01ebb7fa541155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.477295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033953/publication.md
observed 86b6834d6089a663b151c564913de21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.457364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033953/publication.txt
observed 53ef75304a75e9fe26caf29cd735c10b...
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.