OpenTechnical

OT-2026-000042867

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000042867) never changes.

Identity and time

Publication numberOT-2026-000042867 · never reused
Internal UUID01a0ae7a-c0d1-77a5-a6c8-b852c0b96839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042867
StatusPUBLIC

Content hashes

Canonical textf17015f434166feb45e5b48d8d565c4b2622a6bdcac177edf04a66f7d61e101d
Markdown43980d0be0d191e87dfda0fbbfb89de62672d698ff656723f55697aa68da698e
PDF
Publication pagecdeeefce2cf716167a9d0d02605400d4001d70bedf0dbfc0de794ad5086c439e
Manifestf77923781e8dc5885f4ce6455ea105d96de76f65275affd864a378d82492a3d5

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
SignaturecXRv+AJ9k77T1il/FTw1p8rafFf8aJNohTsEaTYL7InC6wrgRBbEVwNPuy8HNjUSt9jmy6ZAXvxaPh9QlrMKAw==
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

2026-09-17T11:15:21.757566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042867
observed cdeeefce2cf716167a9d0d02605400d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.740071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042867/manifest.json
observed f77923781e8dc5885f4ce6455ea105d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.721211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042867/publication.md
observed 43980d0be0d191e87dfda0fbbfb89de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.702226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042867/publication.txt
observed f17015f434166feb45e5b48d8d565c4b...
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.