OpenTechnical

OT-2026-000029285

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000029285) never changes.

Identity and time

Publication numberOT-2026-000029285 · never reused
Internal UUID01a0ae73-2aa1-74e3-b538-327719fd5cf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029285
StatusPUBLIC

Content hashes

Canonical textbd8732b1fcbd28027e60a192bff0d2525dc43f1e8881fd9ec289a42d2791135f
Markdown9ee59e59d41ce8a85ce73b159108e9156cfd0b186178c97285912f55e900f23f
PDF
Publication pageafda6ac0221212adb40a38717e9d9fa2b731b8d12a1d0b3c96ba0d4f95d1f8ad
Manifeste4b283d94d5b2404c1594ff92ea4f3e5f0d11b6df9a69a7a645399ef74e055e7

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
SignaturetlacFPfm1vPKCISWMnTQMgTGrPt9lTLJJk2ziMmTa3B8gH9FuXRV4fSEP037zOaHx4RlirN9YOlKn0rwPVgZAg==
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

2026-09-17T11:39:55.231826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029285
observed afda6ac0221212adb40a38717e9d9fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.213937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029285/manifest.json
observed e4b283d94d5b2404c1594ff92ea4f3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.196671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029285/publication.md
observed 9ee59e59d41ce8a85ce73b159108e915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.179801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029285/publication.txt
observed bd8732b1fcbd28027e60a192bff0d252...
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.