OpenTechnical

OT-2026-000044803

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000044803) never changes.

Identity and time

Publication numberOT-2026-000044803 · never reused
Internal UUID01a0ae7c-911b-7136-ad10-75cc5397e775 · 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-2026-000044803
StatusPUBLIC

Content hashes

Canonical text3fd2a8a8643ae1f31d00d397068363bfb4f2403dc49bdbb5ec0c2882fd9241a4
Markdown059df6b4ddfe5c046d427bdf5a6b66c92d88429be78dbde884e4b3f8d3e086e7
PDF
Publication page3b7f3ffea1a5c8d1aa0b95c075257a835b687f3fc762ab1d17afc6370e18e959
Manifest0c8f80430da16e16f97539ded3f8d2a4b57c35698d970a8ea90be8fd2ae90c06

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
SignatureL7zPY25ppn05CnlSiCky6lyEL4aPed1KP9sPF6amHO8lMxDyFv7A6ypxjEpO+XLthFDiCDkLUYlkdkDGLxLECQ==
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

2026-09-17T11:11:26.008153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044803
observed 3b7f3ffea1a5c8d1aa0b95c075257a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.982071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044803/manifest.json
observed 0c8f80430da16e16f97539ded3f8d2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.964222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044803/publication.md
observed 059df6b4ddfe5c046d427bdf5a6b66c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.946287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044803/publication.txt
observed 3fd2a8a8643ae1f31d00d397068363bf...
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.