OpenTechnical

OT-2026-000047187

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000047187) never changes.

Identity and time

Publication numberOT-2026-000047187 · never reused
Internal UUID01a0ae7e-d0f9-76de-bb22-2524c41dbae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047187
StatusPUBLIC

Content hashes

Canonical textf9ad95bf72e788f8f08d76f9bb050c308b668a8fb17a499961ec4e5b6f16bc75
Markdown0a8a686aea2067f57d403a1ce1895f34b1bd6fa010479dfe90c6f72653cbc597
PDF
Publication pagec8e589b8f5c5ed95ad6157738c577ba7585b757730127a8e7c9442f1c8363e58
Manifestf5a5fcf94d525b4cd2762a3d7724ee6ad019abaa86fa88491ff7857588d2c872

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
Signature8pSpp8e0HVTS82IZpu3tvE9FclfP7nbU/mWKnujwz+qq2g0WhaCEqmYIigLtZdQHKUYsy3Y1ZTprHAo0eantAQ==
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

2026-09-17T11:10:33.738989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187
observed c8e589b8f5c5ed95ad6157738c577ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.719116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/manifest.json
observed f5a5fcf94d525b4cd2762a3d7724ee6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.693979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/publication.md
observed 0a8a686aea2067f57d403a1ce1895f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.669769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/publication.txt
observed f9ad95bf72e788f8f08d76f9bb050c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.665548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187
observed c8e589b8f5c5ed95ad6157738c577ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.646351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/manifest.json
observed f5a5fcf94d525b4cd2762a3d7724ee6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.629579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/publication.md
observed 0a8a686aea2067f57d403a1ce1895f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.605288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047187/publication.txt
observed f9ad95bf72e788f8f08d76f9bb050c30...
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.