OpenTechnical

OT-2026-000051473

Publication integrity record

Three cup vacuum gripper, three 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-2026-000051473) never changes.

Identity and time

Publication numberOT-2026-000051473 · never reused
Internal UUID01a0ae83-7c80-77cb-9a83-449870be0703 · 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-2026-000051473
StatusPUBLIC

Content hashes

Canonical textbec24df52f44ee7c92946ad0d6aec086ff19994f24224859bb438724f00e2d91
Markdown049a4461c81bbab95ce830dcc05773b7058ab088b157b718f923c1c2b2e3349d
PDF
Publication pagebff9a052eec39d7310eaea2c91bbe25b3d58f5d031ec6c3e95751e6981088127
Manifest515f86862fcfe322428e858f4bd110f342e9c907599dcf284e99afed97865e0b

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
SignatureCeHItgSs5341Ns/vO2h0vGsY0W7jfNo2XANmbjqwYNf4vedUEJVxLACHjBFjYF4UacP7g6uuJkX8ISF42e0rDA==
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

2026-09-17T10:58:12.458115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051473
observed bff9a052eec39d7310eaea2c91bbe25b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.440158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051473/manifest.json
observed 515f86862fcfe322428e858f4bd110f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.423405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051473/publication.md
observed 049a4461c81bbab95ce830dcc05773b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.405278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051473/publication.txt
observed bec24df52f44ee7c92946ad0d6aec086...
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.