OpenTechnical

OT-2026-000045313

Publication integrity record

Four cup vacuum gripper, four 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-2026-000045313) never changes.

Identity and time

Publication numberOT-2026-000045313 · never reused
Internal UUID01a0ae7c-f76b-790c-82e4-dde4e189f6fd · 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-2026-000045313
StatusPUBLIC

Content hashes

Canonical text93a5b95bffa05b9c8f154cb9238dc9f12a715e9444d42e82811d0819dd8e36bf
Markdownf999b65952dd1b09d7eea8b73ea5681c37ccfbe49b6bd44d6df44d0ffd34ef59
PDF
Publication page4c8a8e62d7376ebc5872caba78ee5213ea147f93305c6722df030e3e3d63211a
Manifestadfbb0026a87e98874811ec76b7d77ceb4ce27a34177f5fa72784bfc7e83df89

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
SignatureZR9+AHk67D+doyEXr/WVhwvgi7kwAFR1nygvHcV+SoF2jc4Cb0jpdaWVn6xEJ6Xej61f73GAPAwS1zDjD87BCw==
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

2026-09-17T11:10:33.759487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045313
observed 4c8a8e62d7376ebc5872caba78ee5213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.737111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045313/manifest.json
observed adfbb0026a87e98874811ec76b7d77ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.712845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045313/publication.md
observed f999b65952dd1b09d7eea8b73ea5681c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.692424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045313/publication.txt
observed 93a5b95bffa05b9c8f154cb9238dc9f1...
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.