OpenTechnical

OT-2026-000029644

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029644) never changes.

Identity and time

Publication numberOT-2026-000029644 · never reused
Internal UUID01a0ae73-5e23-7515-9fc9-b31703ae5439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029644
StatusPUBLIC

Content hashes

Canonical text4123a8bf60c3e06c3ad987deaa81e6a186a7099805ab21e9d1b82ca8a48cc380
Markdown1f781d2ba6f61137806f28b81dd26f41d8fab7c4d6cd6023b07f32cc1acd7fca
PDF
Publication pagef4643906be5fcb3ef4279602ca16936c2616aca205df1b5c5e50f63573ec3f10
Manifest3d541c1d18f3831e8a02908c82b688f0fea83fd9c63160b2b848d6bc647c908d

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
SignatureF6cnjDr69ExXJRASE2AwmZq3rV8CKXoe3e8zEHxcYWzxymlEK4IzAiRGWMrJWnBuZlb7KmM4cXotiDGrLVGSCQ==
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

2026-09-17T11:39:21.355368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029644
observed f4643906be5fcb3ef4279602ca16936c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.336252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029644/manifest.json
observed 3d541c1d18f3831e8a02908c82b688f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.318954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029644/publication.md
observed 1f781d2ba6f61137806f28b81dd26f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.300450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029644/publication.txt
observed 4123a8bf60c3e06c3ad987deaa81e6a1...
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.