OpenTechnical

OT-2026-000031303

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000031303) never changes.

Identity and time

Publication numberOT-2026-000031303 · never reused
Internal UUID01a0ae74-87ac-7f65-bb42-18d45f9ac55f · 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-2026-000031303
StatusPUBLIC

Content hashes

Canonical text6e2f553ca8b7bebbd15b9cafa6878c0237fb6426460bf4baa96459d06e192a00
Markdown4e1a2527b3c92a9b15661e84da08e8d68b99e2d212ea2241331b85c840f4f3b4
PDF
Publication paged23fbfb5b5d578d8c2debae1de96afa3203e42826875ae63418b0c271b1de411
Manifest3724653b53bb3897a22c0265bbfc031d2c948c9b290b564542886c8fabc01304

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
Signature1LkClkZFawvSvRZMGPWdsxhUwdBWKtOqE3rIcwVBL666T85FwaX/ZftAOmLf3HOxtypSE+OxOnBE1BlizLbLDA==
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

2026-09-17T11:35:53.539906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031303
observed d23fbfb5b5d578d8c2debae1de96afa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.522245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031303/manifest.json
observed 3724653b53bb3897a22c0265bbfc031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.502527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031303/publication.md
observed 4e1a2527b3c92a9b15661e84da08e8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.474857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031303/publication.txt
observed 6e2f553ca8b7bebbd15b9cafa6878c02...
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.