OpenTechnical

OT-2026-000099100

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000099100) never changes.

Identity and time

Publication numberOT-2026-000099100 · never reused
Internal UUID01a0aea2-8287-76ba-9894-dfbd71fe98aa · 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-2026-000099100
StatusPUBLIC

Content hashes

Canonical textc6aef6686728e2ba2a48ed7db236affd29b7a4bbfeca7baa84bf87727616aaf8
Markdownb260318c30d716859a429628f3ee660bb11c6cc8e118084c49ee6ab875982246
PDF
Publication page6319c54014e5346b7b6e593aecdcf25d2c6e9301cf17576a0c3e261596a8af6a
Manifest6515f8eca9bdf4cad478a1adf96f6a714c060ec3f27ea6ca73e22d4e1d12411b

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
SignatureWdaJDXfFCeNFGm5SttEhy81jh4anEJaFd7MHe0tEzckm3rwA6UP52ePiMXwqVhQiFER5Q0d3sP9DWUYrDEnyBw==
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

2026-09-17T09:30:20.505211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099100
observed 6319c54014e5346b7b6e593aecdcf25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.485553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099100/manifest.json
observed 6515f8eca9bdf4cad478a1adf96f6a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.468891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099100/publication.md
observed b260318c30d716859a429628f3ee660b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.448177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099100/publication.txt
observed c6aef6686728e2ba2a48ed7db236affd...
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.