OpenTechnical

OT-2026-000047925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000047925) never changes.

Identity and time

Publication numberOT-2026-000047925 · never reused
Internal UUID01a0ae7f-c422-7a85-85a5-8eac860a7790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047925
StatusPUBLIC

Content hashes

Canonical text7043dca3c36895c533ee23d1330646fe626c0aeae67291c4752835b009dd8ac3
Markdown217242ebd37d353ffdace235879591c4b06cd8020b6cb214a128b0be3919764f
PDF
Publication page605939f6a4577a7ddf329a898a56d459a58d99673c485cb8118bccda592a5721
Manifest6a4f9e7f16c3318b627471ecadbc4209f337d392045c53dfc4fc79d8fa3ce456

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
SignatureEzVTmYh0xm7uf04i6xT93/9/AAfuIQc2wThlewogz8gwfUEjVjDTAbuC0gDg2HYRudkWvo8BHc2GeRt+GaXzBw==
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

2026-09-17T11:05:52.945836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047925
observed 605939f6a4577a7ddf329a898a56d459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.927374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047925/manifest.json
observed 6a4f9e7f16c3318b627471ecadbc4209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.905830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047925/publication.md
observed 217242ebd37d353ffdace235879591c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.885441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047925/publication.txt
observed 7043dca3c36895c533ee23d1330646fe...
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.