OpenTechnical

OT-2026-000016180

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000016180) never changes.

Identity and time

Publication numberOT-2026-000016180 · never reused
Internal UUID01a0ae6e-2d11-7f43-aba0-139600f8907d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016180
StatusPUBLIC

Content hashes

Canonical textbc50a74b7afd58a211caef848de9825a064b4caafadf2fd134595f76d362ae39
Markdowne833368b772a0a103ca4b10828ae5d7de013374e34b7e10a9a30205763840be0
PDF
Publication page6131aa9edeb4722aa4577e3d0d6df4f272d209fa4f3cf8597d56331146da957a
Manifestbbc3727c9269dfdd08ab57784b3d182dde41d74343f3fcfeb69f844124b2219b

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
SignatureLxmIungsHrC9VVPEVWvdz9y17VXDXtBkZFgmZSddLNdeaXAGWJiqjGtRco9Xf2vQ+zKwDHAp4cucFzmvaae2Cg==
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

2026-09-17T12:03:37.972503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016180
observed 6131aa9edeb4722aa4577e3d0d6df4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.952349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016180/manifest.json
observed bbc3727c9269dfdd08ab57784b3d182d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.933009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016180/publication.md
observed e833368b772a0a103ca4b10828ae5d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.911616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016180/publication.txt
observed bc50a74b7afd58a211caef848de9825a...
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.