OpenTechnical

OT-2026-000045429

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045429) never changes.

Identity and time

Publication numberOT-2026-000045429 · never reused
Internal UUID01a0ae7c-f76c-7fb0-8a1e-7f0a5b14a2d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045429
StatusPUBLIC

Content hashes

Canonical text7b81b82b3ed5a59ded8d1ccf577f859893495783f0c8d220ea4c5ee90ddc326d
Markdownaad765c1b078e521320306e24aa133f8703bd567c7d87927256c2c6c0bcead63
PDF
Publication page1d44442a744121ff1b57967744bbd0a82b81c5702d21be80a24c0f6ebd650e72
Manifestd7eb62e332374d099c2aefac15bd769d8d14adb40944b5228ada9f40fa09504f

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
SignatureiMbUmxjH1B7gL/yymaYQdn2bOAmCTbEHWcKpSzQxYAQ9fahe9aouKSxYbi7LYh79l8XVcuXluJbrystY7ouWCQ==
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

2026-09-17T11:10:43.478624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045429
observed 1d44442a744121ff1b57967744bbd0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.460880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045429/manifest.json
observed d7eb62e332374d099c2aefac15bd769d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.442077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045429/publication.md
observed aad765c1b078e521320306e24aa133f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.423366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045429/publication.txt
observed 7b81b82b3ed5a59ded8d1ccf577f8598...
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.