OpenTechnical

OT-2026-000012853

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000012853) never changes.

Identity and time

Publication numberOT-2026-000012853 · never reused
Internal UUID01a0ae6d-5563-7fd9-aee4-ad21c091a366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012853
StatusPUBLIC

Content hashes

Canonical texte58ce2ef1842aa53afdeee57153f6c179fa82e0812555b70a72231c404e0de35
Markdown2fc0a2f5a9c98b3a2393b308535c2f765eb1a08f3333e666874d59612b5a3fb7
PDF
Publication page647ec0c2f7a5513ec8343b446e789ec73abd39488da616c37a142f6e4d998d27
Manifest5dc1a8e9080b09477100afed5bece88a391ff359acd3ad31739c5ce495bf650b

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
Signatureo6LL2L+K56Z/crV1B9xWnnWPz3w/PV15g8x4OSWHG2tL8XX8G4X2m3b9gGU/IKDSYwqh7iY13UrG45Aiq/T0BQ==
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

2026-09-17T12:10:37.972310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012853
observed 647ec0c2f7a5513ec8343b446e789ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.952906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012853/manifest.json
observed 5dc1a8e9080b09477100afed5bece88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.934005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012853/publication.md
observed 2fc0a2f5a9c98b3a2393b308535c2f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.913676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012853/publication.txt
observed e58ce2ef1842aa53afdeee57153f6c17...
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.