OpenTechnical

OT-2026-000093899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line 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-2026-000093899) never changes.

Identity and time

Publication numberOT-2026-000093899 · never reused
Internal UUID01a0ae9e-92c8-77bb-84a0-41cefcc49525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093899
StatusPUBLIC

Content hashes

Canonical textf80a879cc8304cb2a8fb248300f6e38ce0aec0aacd963a27a83393c7bdf9049c
Markdownae8bf830e0cb03ae9c0438634e89502f9c5d5266e1938db960f9bdbddcf1694b
PDF
Publication pagefa62e861781c46b1823d4060d8f0b6e88055a383e1d5b22e68775660142ebfde
Manifestf64ac8d79cc5fa9933b586fd0eb4992f5d0de9ad08c02213bd698d7e8133366b

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
SignatureHjWIASrEnD6ogPO1527V9G9nf2P0/lY6OCLQXe8fc6aEW0NmGaYEFhDriFbvRgq8YmA4TzYvKpH9Dp+tKvsxDw==
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

2026-09-17T09:38:09.953534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093899
observed fa62e861781c46b1823d4060d8f0b6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.936110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093899/manifest.json
observed f64ac8d79cc5fa9933b586fd0eb4992f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.918006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093899/publication.md
observed ae8bf830e0cb03ae9c0438634e89502f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:09.899541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093899/publication.txt
observed f80a879cc8304cb2a8fb248300f6e38c...
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.