OpenTechnical

OT-2026-000017741

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000017741) never changes.

Identity and time

Publication numberOT-2026-000017741 · never reused
Internal UUID01a0ae6e-96fa-75ef-bd75-76c5203b06a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017741
StatusPUBLIC

Content hashes

Canonical text5e699a4b78067fa9f7d2d445af022b7bd04661d7eceb89f981229120de742cb4
Markdown61207f311534d1bfc2770bc7738c4b9296f61494f2dffee1311a0f516ea24d62
PDF
Publication pagef899a7b3a0aceaa3f16ba8aa74eb36be8860615e8a369f7aa8059b7eb9ef0102
Manifest718e045acbf2c006d58aff31af6e10743ce83a624d939e8c06dc3017c21dea56

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
Signatureb1c3vwmPNq4HrDGGhfcuI5a9HTYiQW++Zf6ybo0ZgRAY0VRcFADjDPag8Gj7aPZ+WJxduD9XCUwqoeY+f64WDA==
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

2026-09-17T12:01:41.630643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017741
observed f899a7b3a0aceaa3f16ba8aa74eb36be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.613873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017741/manifest.json
observed 718e045acbf2c006d58aff31af6e1074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.598291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017741/publication.md
observed 61207f311534d1bfc2770bc7738c4b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.582687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017741/publication.txt
observed 5e699a4b78067fa9f7d2d445af022b7b...
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.