OpenTechnical

OT-2026-000099219

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000099219) never changes.

Identity and time

Publication numberOT-2026-000099219 · never reused
Internal UUID01a0aea2-8288-7149-a2c9-9ce881ff7ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099219
StatusPUBLIC

Content hashes

Canonical text706844c7442566ad34ed7959d6f399bc5c73afd43f5fb79bec49b5a483215b98
Markdownd5ae1a04ce9d9ee0659f45f4c94032569baaee7048221b6f5c1180dae33be04c
PDF
Publication page3f1b14b0bbe6a9253b2a8fa194032e86ed37cbb74ddc753bbf1808f200b78c0e
Manifest55ce7507a77a35d9455d5b39d173b5921a5eb072f204b0c42d4b8c684a9697d6

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
Signatureep8ixeuxWJgIEKv4gwv9gLTwaCGwLY6NydQG1+t0F4ddUurPCp9bQRhjgF3RyikpKfsJMFLE3HNMz3fpqFehDg==
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

2026-09-17T09:30:36.979814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099219
observed 3f1b14b0bbe6a9253b2a8fa194032e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.961133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099219/manifest.json
observed 55ce7507a77a35d9455d5b39d173b592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.941823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099219/publication.md
observed d5ae1a04ce9d9ee0659f45f4c9403256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.923433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099219/publication.txt
observed 706844c7442566ad34ed7959d6f399bc...
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.