OpenTechnical

OT-2026-000017684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000017684) never changes.

Identity and time

Publication numberOT-2026-000017684 · never reused
Internal UUID01a0ae6e-96fa-7ec4-96af-e321e881fb43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017684
StatusPUBLIC

Content hashes

Canonical text4d24b5c932190d1bb66469c76186da78ef024a6a42c90f869ef59d1b6962a876
Markdown085683c257662015ff644eefe591e58ce6444c37425e7037130b9a8882106669
PDF
Publication pagefc7b3a3a7b09d30289af38ac6720bc96d6b76f0e5cbf465067d381a047d3ee47
Manifest20be44dd970e4e782ac3b7ca4043a7423b892a83aeeb1769f352c2aee7f13455

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
SignatureOH7CjpjFt8YFFmoKC11W1RGPAZzWhrvdKqOcgpy1oiPFartYdIxxpX/IDA4zvtCyYiUChmvw+0e5stCj7oeoBQ==
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

2026-09-17T12:01:37.527158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017684
observed fc7b3a3a7b09d30289af38ac6720bc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.509874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017684/manifest.json
observed 20be44dd970e4e782ac3b7ca4043a742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.493221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017684/publication.md
observed 085683c257662015ff644eefe591e58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.474408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017684/publication.txt
observed 4d24b5c932190d1bb66469c76186da78...
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.