OpenTechnical

OT-2026-000100137

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000100137) never changes.

Identity and time

Publication numberOT-2026-000100137 · never reused
Internal UUID01a0aea3-3052-7b75-9cc3-b766dc783c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100137
StatusPUBLIC

Content hashes

Canonical text069628ef661a0e5b3f5b3c13af6151fc4c887eed744c07a76ad94a1227b8a0ff
Markdowna9f492e82e91ab5307011da86a01aa41ce581b42819139655a29a49cdb69d920
PDF
Publication page6a61bc08613bb5fa83a8a8fb0bc34bdc2c9d9baa5bf40e7c7dbb080f435cb282
Manifest729dee23b39901147016804e8641abafd223c6cb716bef7566190218bd28b2a2

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
SignatureOoJIHSmZb5G9gWgktXfezgkFPCUB24trvqrY76T74/k4sUwpx/pFUiEkaFUMhIA0Cj8FT5XZhqhnAppz5LxECg==
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

2026-09-17T09:27:50.337269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100137
observed 6a61bc08613bb5fa83a8a8fb0bc34bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.318353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100137/manifest.json
observed 729dee23b39901147016804e8641abaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.297577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100137/publication.md
observed a9f492e82e91ab5307011da86a01aa41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.277708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100137/publication.txt
observed 069628ef661a0e5b3f5b3c13af6151fc...
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.