OpenTechnical

OT-2026-000019909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000019909) never changes.

Identity and time

Publication numberOT-2026-000019909 · never reused
Internal UUID01a0ae6f-1fb6-7d23-bd3b-6cd4458db451 · 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-2026-000019909
StatusPUBLIC

Content hashes

Canonical text63113d75383f146086763e9287d262aed1c79910542e4740553eb0f7ed8d00ed
Markdown58b17c88aa7446bf06cc76964ff4aefc25e11b25607b2a63b662776b4878aab9
PDF
Publication page372ecedb30fd67573ac036a4a067c0251341d962d75db585d94610a37bcfa02b
Manifest1a2bb37aeeff4f24565cef7db6cf1f66ad8fcc435c5b529cd1b14b398b6108b5

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
SignaturetwaCgw6XeE29xJ+MH7GU/N5oABlclv5/mnJ5cIs0GZ+2DfElGfyVvpV++K5tcCOPyyjhUtKxbVNfMdSHDT3bDw==
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

2026-09-17T11:58:07.347333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019909
observed 372ecedb30fd67573ac036a4a067c025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.329012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019909/manifest.json
observed 1a2bb37aeeff4f24565cef7db6cf1f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.310012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019909/publication.md
observed 58b17c88aa7446bf06cc76964ff4aefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:07.293592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019909/publication.txt
observed 63113d75383f146086763e9287d262ae...
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.