OpenTechnical

OT-2026-000020044

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000020044) never changes.

Identity and time

Publication numberOT-2026-000020044 · never reused
Internal UUID01a0ae6f-1fb8-782f-9a58-8e5e34c9224f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020044
StatusPUBLIC

Content hashes

Canonical textf0372b6d1ab83e7f887f30fc637e5e85098f605753560d328413561d9d7d2bc6
Markdown85649a068bf4be220f67713ed1396b840261db44273973291259e01c8ba83384
PDF
Publication pagee85e6148978248b7118e9945a2d1ae105c07fdac11e18bf7d9bbf8479cd74081
Manifest1ef8331169ff592484a8a60d2a3f7544bf21bdbcc52b1f95a4267c2383226ce1

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
Signature8Beb9EDb7hVR4NbNEPdPCoxcgJxtUj9c72fpM1+H7nQBAWm1yfkOiRNdyV84WXJ6lY2kMcAao58tnKhsSs+jAw==
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

2026-09-17T11:58:18.290510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020044
observed e85e6148978248b7118e9945a2d1ae10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.270877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020044/manifest.json
observed 1ef8331169ff592484a8a60d2a3f7544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.249880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020044/publication.md
observed 85649a068bf4be220f67713ed1396b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.231295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020044/publication.txt
observed f0372b6d1ab83e7f887f30fc637e5e85...
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.