OpenTechnical

OT-2026-000098342

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000098342) never changes.

Identity and time

Publication numberOT-2026-000098342 · never reused
Internal UUID01a0aea1-e965-76a1-a36f-950064cdf7e6 · 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-2026-000098342
StatusPUBLIC

Content hashes

Canonical textd7602bda3702604ef793e8a221108f80e5c64fdbb62b99c87f46be0a5b6bfac1
Markdown70e5b8cc5283b3d170e8a48a5c88e922991cac35aec6915f15d3d0a256120c8f
PDF
Publication page5d92d76890ebdca7b99128a3304aeed611a520035ddb44f26608137d5c6dc727
Manifest840e4323c0b62fd29e9ff99e45b5b3eb27570a299e5c18648cda961dc9fc1408

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
Signature2XIKFjwYx+XDtDoVQ+y+C1f+XKBzBxImT08q8s62BUit+l0GwrWCh1kKG/cCFnCC74OX0GGIUNZUrtb3ryHbDA==
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

2026-09-17T09:31:33.591629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098342
observed 5d92d76890ebdca7b99128a3304aeed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.572914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098342/manifest.json
observed 840e4323c0b62fd29e9ff99e45b5b3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.537472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098342/publication.md
observed 70e5b8cc5283b3d170e8a48a5c88e922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.499941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098342/publication.txt
observed d7602bda3702604ef793e8a221108f80...
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.