OpenTechnical

OT-2026-000048573

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000048573) never changes.

Identity and time

Publication numberOT-2026-000048573 · never reused
Internal UUID01a0ae80-4de7-7e46-8488-20e8e93425c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048573
StatusPUBLIC

Content hashes

Canonical text12d606ca79a9ad58db2d106c4639a653a0b8146be91d55c9cb69965c3b4f6406
Markdown90d27565cae8462d28af874af9d33112fffe58e42e4b9d2c78dc3163ff458936
PDF
Publication pageedb0a0a33748283217f965df30ba091c91701d31a04180e9f92b384ac8506d66
Manifest936b2451a96b8ea3dc33e1130d00d3eb568f32448b8ba379e2ecf5a2c543367d

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
SignaturesuFryxjJdCphh50Sr4zcfJA2Z2esrfkkAoM4N0WKZp8wbjpuNI9FfQlwGexnl95WVNosMrUNBMUChYzrmL+kDA==
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

2026-09-17T11:05:22.608902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048573
observed edb0a0a33748283217f965df30ba091c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.588608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048573/manifest.json
observed 936b2451a96b8ea3dc33e1130d00d3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.570452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048573/publication.md
observed 90d27565cae8462d28af874af9d33112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.550454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048573/publication.txt
observed 12d606ca79a9ad58db2d106c4639a653...
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.