OpenTechnical

OT-2026-000047341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000047341) never changes.

Identity and time

Publication numberOT-2026-000047341 · never reused
Internal UUID01a0ae7f-3e57-788a-a3ae-0b4f506544cc · 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-2026-000047341
StatusPUBLIC

Content hashes

Canonical textf42d2f5d712dd76b227d4bd6af288c2404cab7cb9d5c794be4e0448a90e5d06a
Markdownf41ed8525f6a745b1c9600aee161a7bcc7f3ffd888642407babfb0095a802b2f
PDF
Publication page93b4277ee809c5c95074571ee47e201d4b68e7f63e19a577983eaf0f71daeb60
Manifest990ba76165888d70bac28d1e23fee93bc309495fee68a4a858305951135e9d53

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
Signature2kwHnP3mGM2aFxUWuDBxYI0lBEPzAuXce65Iu8GQRU8kQpAjqD2FmOqzdpOzCui6OMuzwoC4xSS3a0dJXUgFAA==
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

2026-09-17T11:06:20.004285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047341
observed 93b4277ee809c5c95074571ee47e201d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.985371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047341/manifest.json
observed 990ba76165888d70bac28d1e23fee93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.967012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047341/publication.md
observed f41ed8525f6a745b1c9600aee161a7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.949192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047341/publication.txt
observed f42d2f5d712dd76b227d4bd6af288c24...
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.