OpenTechnical

OT-2026-000044791

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000044791) never changes.

Identity and time

Publication numberOT-2026-000044791 · never reused
Internal UUID01a0ae7c-911b-70c8-bfd4-7a59665f6368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044791
StatusPUBLIC

Content hashes

Canonical text6d85be7be300f23365970adc317a6a1a9a26c5920e3f4d8d1e4e45a46b2de44e
Markdown0f97404861f1ce5344863203c049672b4e6cb1fe95f3fabaa7dd3b78d11be5aa
PDF
Publication page759e461c7861d524a43d364879489ec9008c4fb77ae632f548e9023f8725ed75
Manifest603ae1d3afb0ef032068e57258634ddfa5b981c263ca82d339a2973acbbe9670

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
SignaturepPTvA/COpQlbYYhwk81ERn9F87fqCNNyQ9FgFT+7Z/eQSPCoP21HOr8Sgrz/2Swk4Ko+avU7GC8vwWEEvBoOBQ==
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

2026-09-17T11:11:25.156582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044791
observed 759e461c7861d524a43d364879489ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.138917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044791/manifest.json
observed 603ae1d3afb0ef032068e57258634ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.122907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044791/publication.md
observed 0f97404861f1ce5344863203c049672b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.105236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044791/publication.txt
observed 6d85be7be300f23365970adc317a6a1a...
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.