OpenTechnical

OT-2026-000091661

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091661) never changes.

Identity and time

Publication numberOT-2026-000091661 · never reused
Internal UUID01a0ae9d-43b8-7868-a826-7164cc60c8b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091661
StatusPUBLIC

Content hashes

Canonical textda6a26dca621e6f2e3b60805fa0189f6f37c592b750f471a28da948799efc91c
Markdown10a89455fbff68e43787f8cb15def2f8a43e5287efba0f990e6b2406b0420230
PDF
Publication pagea46d1540173839fad5a29b506f01044e000c5900a589995871b339c2a804f1c6
Manifest554523ad2895e5beed2501af4cdc2a47cf5ce2616986f14dffd548945a2f1f6a

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
SignaturexWGfW+gh8DG24kiFJqT0PZMXHPqDY12Ell5vURNKK4NleQfFAWslgxHPFpMbWLH777JiWGewalcSHtkXOtFOAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:02.232933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091661
observed a46d1540173839fad5a29b506f01044e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.215365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091661/manifest.json
observed 554523ad2895e5beed2501af4cdc2a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.199560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091661/publication.md
observed 10a89455fbff68e43787f8cb15def2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.181592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091661/publication.txt
observed da6a26dca621e6f2e3b60805fa0189f6...
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.