OpenTechnical

OT-2026-000099224

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000099224) never changes.

Identity and time

Publication numberOT-2026-000099224 · never reused
Internal UUID01a0aea2-8288-7862-a5c5-5045827b1190 · 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-2026-000099224
StatusPUBLIC

Content hashes

Canonical text247c264273751b49db1dc4a6f75fc356e5483b2770563c8ab88eafb488c6c560
Markdownfd62f1de8854212c05b8cadc9e03e022d144d1dbbac8c92a4e1eb6a15636abcf
PDF
Publication pageea2e033a8493264c7e01b295c47c39ee83c112ed63f538fd4078323a88a6a942
Manifestd6d975008a2ea5c91b1c1773bb89dfdc6ab6449a66db866936f57f8eb114d82a

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
Signature0U3iHArx5zg1k0TGjLE/OvxaBDx7NJpc0LvR/X5/5LTGgvksqQEbS0axTFHLPmwJXODItTVCUd3Oa97F0cDCBQ==
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

2026-09-17T09:30:37.392882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099224
observed ea2e033a8493264c7e01b295c47c39ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.367560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099224/manifest.json
observed d6d975008a2ea5c91b1c1773bb89dfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.347106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099224/publication.md
observed fd62f1de8854212c05b8cadc9e03e022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.328596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099224/publication.txt
observed 247c264273751b49db1dc4a6f75fc356...
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.