OpenTechnical

OT-2026-000051537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000051537) never changes.

Identity and time

Publication numberOT-2026-000051537 · never reused
Internal UUID01a0ae83-7c81-7629-9c15-1354f8e24d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051537
StatusPUBLIC

Content hashes

Canonical textb567f4dab9d1ee65b1116a5bb53a84ca6e66bfed91bab3e28a3e7669118f5e24
Markdown659aa02d662852008b24152956305353c2b9c43bbdae34ba9ec19ee7f65bcad8
PDF
Publication page9ad3f6928ff1f09e8a9ac048481225d12e6153f0249cdcd91d2ff1e528e60690
Manifesta826dbdbf6b1f6c4848660b391a90f7c7d24471fcee37d26919f1355f06b6a41

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
SignaturetncaZYEs5OwwjNEAwdr4v5Ff6Ml5jqyubbGK3/aQwWGztgONSD1whf2vKNkblfI1mLIst59ybfuvo7z5ioadDA==
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

2026-09-17T10:58:21.987522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051537
observed 9ad3f6928ff1f09e8a9ac048481225d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.968850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051537/manifest.json
observed a826dbdbf6b1f6c4848660b391a90f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.951054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051537/publication.md
observed 659aa02d662852008b24152956305353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.933473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051537/publication.txt
observed b567f4dab9d1ee65b1116a5bb53a84ca...
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.