OpenTechnical

OT-2026-000031313

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031313) never changes.

Identity and time

Publication numberOT-2026-000031313 · never reused
Internal UUID01a0ae74-87ac-7351-9e8b-66225fdbf236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031313
StatusPUBLIC

Content hashes

Canonical textd73988b15b9e9b2791c0d8c538d3aca795c26a5fe375c58166ba0eea792e3ebc
Markdown36d0270c4ad4006e960dc68cc3e380fb101c3c89aa5d4735846bae5f9fd11938
PDF
Publication page91405da6631a2057ee195cb0898b66a0ed15c08491e1f0eb799791bef2897b3f
Manifest5b56a6e0679468da685987da2855e8174aebe4e94b61767774b13b276853e59d

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
SignatureNTqK22LYVG5qk5Wo0Pikbk0Duu4qZjWaCuBsPFUVHlCGbqzJct65IPaZt8dAzJJcrFRy8bgW/GQviaDV8RZ2Bw==
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

2026-09-17T11:36:00.055358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031313
observed 91405da6631a2057ee195cb0898b66a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.029743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031313/manifest.json
observed 5b56a6e0679468da685987da2855e817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:59.920248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031313/publication.md
observed 36d0270c4ad4006e960dc68cc3e380fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.242376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031313/publication.txt
observed d73988b15b9e9b2791c0d8c538d3aca7...
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.