OpenTechnical

OT-2026-000098316

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000098316) never changes.

Identity and time

Publication numberOT-2026-000098316 · never reused
Internal UUID01a0aea1-e965-7b24-9b81-0bd8ef7df33c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098316
StatusPUBLIC

Content hashes

Canonical text359e1b946158f2fdb458a11caeb3cd6c8bde804842bce7399f935b1e81dc9a42
Markdownb71fcab31bd6fd8441c49e014d5287992a41c675cd81480b1d961c4c691cb06a
PDF
Publication page8aee3e8938e3fe0c783fb20df361ba25bf21710fa09650c1ac7c4d61bd08390e
Manifest08aeed92fd787bcfc9b154ce7e8b9ad8271eaa4f040c9bcae31766bc539225db

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
SignatureHmDcMFyqENZH00GzMMxCX2xsWB/a5XokiRvA7VpLUtejLLns6fWLeXj8nrOrMcWRO1SrvCAScozdEMdl2Y1xAw==
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

2026-09-17T09:31:31.452194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098316
observed 8aee3e8938e3fe0c783fb20df361ba25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:31.433103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098316/manifest.json
observed 08aeed92fd787bcfc9b154ce7e8b9ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:31.416846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098316/publication.md
observed b71fcab31bd6fd8441c49e014d528799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:31.399851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098316/publication.txt
observed 359e1b946158f2fdb458a11caeb3cd6c...
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.