OpenTechnical

OT-2026-000099916

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099916) never changes.

Identity and time

Publication numberOT-2026-000099916 · never reused
Internal UUID01a0aea3-1473-7281-b809-eb6e23b0dd73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099916
StatusPUBLIC

Content hashes

Canonical text8a3548eb87975690186582b642ac775432ada36ea6384942d60c03b60278db5c
Markdown8fb27b11f2cc11a16bfc7286b4534295fb56cfd504f958e19d253dd78fb832bf
PDF
Publication pageed9b67781c4b0cf6218a946dfc8a234622b6072b19016be07252ff0fd4ba38ae
Manifest6df2ddee8aa6481a13c0de39dc44f21569e9d1296a681caedc6294d2cca49cff

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
SignatureYcV7sBjkfN5zGrHcH3tUyEcD0X0DZnAdKVbgDLXRWy/JLCDIiU9jBILqggrCtDGVmMXAnFALobELKmBzJljCDw==
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

2026-09-17T09:30:33.528475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916
observed ed9b67781c4b0cf6218a946dfc8a2346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.508831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/manifest.json
observed 6df2ddee8aa6481a13c0de39dc44f215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.489793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/publication.md
observed 8fb27b11f2cc11a16bfc7286b4534295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.471346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/publication.txt
observed 8a3548eb87975690186582b642ac7754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.091467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916
observed ed9b67781c4b0cf6218a946dfc8a2346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.073420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/manifest.json
observed 6df2ddee8aa6481a13c0de39dc44f215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.054537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/publication.md
observed 8fb27b11f2cc11a16bfc7286b4534295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.037629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099916/publication.txt
observed 8a3548eb87975690186582b642ac7754...
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.