OpenTechnical

OT-2026-000048592

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000048592) never changes.

Identity and time

Publication numberOT-2026-000048592 · never reused
Internal UUID01a0ae80-4de8-74e4-94e4-3ed25e10cdad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048592
StatusPUBLIC

Content hashes

Canonical text7eab3188f589fc5c803ffc2e0aca933bfe6da4a7a239c6ecd34d6b2adbb73dd6
Markdown0fdc79d3cb6caa2ae4242497cc9820ad9131841b73afca8d7ff5dc1fcdd2d5e5
PDF
Publication page6154d810f972908c658ccac25315bd53a5b0f6f706643f571aabf9b2731b8e3a
Manifestbb3f0a16f6a0ca192659546b3706aa4c36e30b6ffcd3b42e2e23af7d61a22ffb

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
SignatureeUxQlEUb4H/gt9FlY+YcmIW7bi7m2rcAj/5nM/wJspCicqUaLUEQu/Us9ObF9eLg2itWASmanRYvaJA0rGSYAg==
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

2026-09-17T11:05:24.136628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048592
observed 6154d810f972908c658ccac25315bd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.116764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048592/manifest.json
observed bb3f0a16f6a0ca192659546b3706aa4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.096878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048592/publication.md
observed 0fdc79d3cb6caa2ae4242497cc9820ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.078576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048592/publication.txt
observed 7eab3188f589fc5c803ffc2e0aca933b...
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.