OpenTechnical

OT-2026-000091062

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000091062) never changes.

Identity and time

Publication numberOT-2026-000091062 · never reused
Internal UUID01a0ae9c-c012-721d-95a9-f046bd80fda7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091062
StatusPUBLIC

Content hashes

Canonical text1596a2843fa4f290024d535f53c541f32d3ac1aa791fffe6b47fe048be7333b9
Markdownde3499adbb88f3df8f7a0f866f73d017f5fcd361d53fc603672b35958cd357b5
PDF
Publication pagec2de7d63ae2d6fa5709641a476c0d35d417357a3fa13af3793e1a1777f05405e
Manifest9cddbe8328ff2395490e628563c446c6ec86f815b774520a78b937fde122a5d6

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
SignatureeWQDtaqzC2YJXsn2Ppj3iPhDK1eCeCLOvUpr5gzFjquCE2rmKGIm76zQz22hPPSRMM6CRaL8kbvDoBHJ12bMCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:18.258290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091062
observed c2de7d63ae2d6fa5709641a476c0d35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.239118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091062/manifest.json
observed 9cddbe8328ff2395490e628563c446c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.219975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091062/publication.md
observed de3499adbb88f3df8f7a0f866f73d017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.201165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091062/publication.txt
observed 1596a2843fa4f290024d535f53c541f3...
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.