OpenTechnical

OT-2026-000051420

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000051420) never changes.

Identity and time

Publication numberOT-2026-000051420 · never reused
Internal UUID01a0ae83-7c7f-7e1a-883b-ccdb90a7b0a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051420
StatusPUBLIC

Content hashes

Canonical text85312950ed3f062b205908da6fce8abb5ca1557d83cbdba741efd3e090567a93
Markdown27205adbc9e574ea0d76ab3d7c5603adf1ce4d2844d8b43177dad249f9ea483c
PDF
Publication pagece7c80e98cef0b9d1c9e268659a88949a893c21bc1c78fdfdf8501b4e4b50c56
Manifest130b97d100b12c2096187d1f80f5c017448677d4cb4016b97ef56632c3821273

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
SignaturejImmFTlXQc2uZV+hPL9+hPBBF7pvLQW3LHIXRQvbpRsliaAiII+pLv6rGxC90VVFA0BGcZlEJ3k7JaxHtbb3Cw==
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

2026-09-17T10:58:08.203112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051420
observed ce7c80e98cef0b9d1c9e268659a88949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.184416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051420/manifest.json
observed 130b97d100b12c2096187d1f80f5c017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.165531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051420/publication.md
observed 27205adbc9e574ea0d76ab3d7c5603ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.147322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051420/publication.txt
observed 85312950ed3f062b205908da6fce8abb...
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.