OpenTechnical

OT-2026-000026137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000026137) never changes.

Identity and time

Publication numberOT-2026-000026137 · never reused
Internal UUID01a0ae71-a840-7a43-9f01-e85605e3db10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026137
StatusPUBLIC

Content hashes

Canonical text76333fc76cb2407d3992a0091f8231e12214646afa5fbcf883e75a748f89f145
Markdown9e64f6a8f13af0a06d30e4b0932138e9b1292ca22776bceb8ca1b7be82c71ae0
PDF
Publication pagedfdc015c58797e2a1bc5d65a66b742a18c92ee5f8f6c848a30d51e05b662b3e1
Manifest2386001e971cf2a8684818fe2c3693001972c84b41973df43b66c8500a0c7147

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
SignatureIUj3jvU2SgWbo2NITS76CKbRxhVr6tDTsKZ0bSopTZ+uof3Ls1+r1m1wzAblMG68n3zxso0bZJRsWRiAzss0Dg==
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

2026-09-17T11:46:38.642396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026137
observed dfdc015c58797e2a1bc5d65a66b742a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.625185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026137/manifest.json
observed 2386001e971cf2a8684818fe2c369300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.608887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026137/publication.md
observed 9e64f6a8f13af0a06d30e4b0932138e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.591088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026137/publication.txt
observed 76333fc76cb2407d3992a0091f8231e1...
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.