OpenTechnical

OT-2026-000023951

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000023951) never changes.

Identity and time

Publication numberOT-2026-000023951 · never reused
Internal UUID01a0ae70-aed6-798d-990b-7ba490371913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023951
StatusPUBLIC

Content hashes

Canonical text6dc843e3030fe6149aa3e3b1cd3c0b91ab56c5468c62544a93de86bffb8dd3e9
Markdown1cc29c13b07bd9049d6da42e67084e576afa87f23544e868c66275383ad21351
PDF
Publication page65babd841afaca234df84e79309c241f18d970e39766f28892821f4401ed630f
Manifest110370a9ac7d4c379139add901e5c1cf906f2372e8563c30c873a45cd4f31565

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
Signature6F0GAdp1y/swxD2mJsemFHOI/1JTHBz/i4bCWrMpL6HO4tT3K8P8e7fHRqqi9qSeKMynu994tntZsyRcaS1kCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:41.794560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023951
observed 65babd841afaca234df84e79309c241f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.770601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023951/manifest.json
observed 110370a9ac7d4c379139add901e5c1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.741607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023951/publication.md
observed 1cc29c13b07bd9049d6da42e67084e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.715131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023951/publication.txt
observed 6dc843e3030fe6149aa3e3b1cd3c0b91...
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.