OpenTechnical

OT-2026-000098031

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000098031) never changes.

Identity and time

Publication numberOT-2026-000098031 · never reused
Internal UUID01a0aea1-92f8-7d05-948b-b001693720dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098031
StatusPUBLIC

Content hashes

Canonical text7778275d38ab2a2b65a5631e7b4333bb0dadbff9b48cd6c011429df0bbee20cf
Markdown8e55afda4154831377c699fc6009e0ebfd816998d549f8c7c914ec32301b282c
PDF
Publication page19ba95448aea28f4dd155b2c85c62ea17f20988237095d73f2cc9f565ba23ae3
Manifest9ed7b51cb758a4a74544ec8082cda0e7a1d75fd90c9aecb91ad4edc00546b05e

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
Signature55S3RNX5tC5r34eY/n0oaNWtEy9HU0ESGqeUIAFjVMwOcEEHZTxCip+Yiotv7JRi/upo9rLIAqWWAB6XEE3wBQ==
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

2026-09-17T09:33:12.578934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098031
observed 19ba95448aea28f4dd155b2c85c62ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.560493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098031/manifest.json
observed 9ed7b51cb758a4a74544ec8082cda0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.539824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098031/publication.md
observed 8e55afda4154831377c699fc6009e0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.522528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098031/publication.txt
observed 7778275d38ab2a2b65a5631e7b4333bb...
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.