OpenTechnical

OT-2026-000047553

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047553) never changes.

Identity and time

Publication numberOT-2026-000047553 · never reused
Internal UUID01a0ae7f-3e59-791a-bf0a-b8e699b69917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047553
StatusPUBLIC

Content hashes

Canonical textea9498afbeaf2b9ded0e9d697807a65a798419b4475ff5b2b0acf0d513ceee2d
Markdown906097c31122df83afa9d26fc2ba99009f78899a7f18e740739968f163bd38b2
PDF
Publication page68090c7b165332171e81492ef129e459e611eee6ec83aafd83157eebdc77d0b8
Manifestfaed0be1d4b442cec1e36c1805f974dca89f56f15720ad6eb7f62d8f0f490003

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
SignaturePzpRvANmtHWgWZIsKJy/4j95DVH9wSa0FXff6jJfHD+rjucGsiRbo+OpQz8ivHHvkr2AZput/ze+HOFDu56HDQ==
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

2026-09-17T11:06:40.429078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047553
observed 68090c7b165332171e81492ef129e459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.410726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047553/manifest.json
observed faed0be1d4b442cec1e36c1805f974dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.391342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047553/publication.md
observed 906097c31122df83afa9d26fc2ba9900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.373254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047553/publication.txt
observed ea9498afbeaf2b9ded0e9d697807a65a...
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.