OpenTechnical

OT-2026-000051149

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented 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-2026-000051149) never changes.

Identity and time

Publication numberOT-2026-000051149 · never reused
Internal UUID01a0ae83-273f-754a-83bb-d088e14defb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051149
StatusPUBLIC

Content hashes

Canonical text96e5dbad786cd36fd5ab2466b2f2162bd1bd497b4ac6a68c90e6246b5d952996
Markdown1faac9e182ebadad5d2ad838bf3549fc76ede34b53009a63ec35e511c0058ef6
PDF
Publication page51e660f3f8cfab989897bf2acf3afac9d74e74cb4a6d65d3df686d1c02ff64a5
Manifest8d6b15d6e6b1e8143f64fb5345b96db3fb220fd34135e2618d8f850b00cb2cd5

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
SignatureD7WOIyj/3hpoiZVtTokMQVCe/1S0K1YoZ6I9xqFAGz8+uKvb/SJRHuHSiw8t549uon2JWoS2xPUz7jeRkNuMBw==
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

2026-09-17T10:58:54.572875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051149
observed 51e660f3f8cfab989897bf2acf3afac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.554442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051149/manifest.json
observed 8d6b15d6e6b1e8143f64fb5345b96db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.537887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051149/publication.md
observed 1faac9e182ebadad5d2ad838bf3549fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.517546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051149/publication.txt
observed 96e5dbad786cd36fd5ab2466b2f2162b...
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.