OpenTechnical

OT-2026-000016829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000016829) never changes.

Identity and time

Publication numberOT-2026-000016829 · never reused
Internal UUID01a0ae6e-5919-76ff-a4aa-bbb43088e2ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016829
StatusPUBLIC

Content hashes

Canonical text5df48f9f54cdd425472056c877393c1865b4e54bf11c4fd6dd6d9fa9a566343f
Markdown96367b90de26f8ee46d435200f834271972b8873e0e7131c5384d5f8e7afb861
PDF
Publication page58653ecb8faee6b809830facdc1ff2528eff2ac93b6a48c5955d894f2aa96685
Manifest6d278ab65cc122bb26ab2c9868835f75ef1b3affee2e5b9ec7cc99cd7332cb72

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
SignatureXuV3zbHp/hxvveR1vru1i3aofBVs9GYl7+zRc4g/H0d41NUaBGwBNSnkUjUY73PdoaLs550PFNQRdZ0qa2bSBA==
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

2026-09-17T12:03:05.253443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016829
observed 58653ecb8faee6b809830facdc1ff252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.236461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016829/manifest.json
observed 6d278ab65cc122bb26ab2c9868835f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.218861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016829/publication.md
observed 96367b90de26f8ee46d435200f834271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.201365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016829/publication.txt
observed 5df48f9f54cdd425472056c877393c18...
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.