OpenTechnical

OT-2026-000101188

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101188) never changes.

Identity and time

Publication numberOT-2026-000101188 · never reused
Internal UUID01a0aea3-c378-7daf-8c88-ca4cab2e5846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101188
StatusPUBLIC

Content hashes

Canonical text021c0e20816bb98b44a82cd4289585545e639030dcfd6aff53f84ddfb92b8f09
Markdown470e12e81a9f424fa6ba4f5bdfaa3c70367737cd5d4792b46ec867341bd74261
PDF
Publication pagec1123be9087a09daf07e0e8cf86a33720bf2f992f4a794f7e226bdf38538ff54
Manifest7c045f593848a3c38c0a081395ed16e9f990492d2f6dcbc277e8bef4cb7b646f

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
Signature83lznie95puYDA5pxmNFWu/EEOUzkXQ5662cnuiy6eKccytULdnEFYLeoqGbnisnzfEbEgif8dQPt74ulP/sBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:50.125027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101188
observed c1123be9087a09daf07e0e8cf86a3372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.106719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101188/manifest.json
observed 7c045f593848a3c38c0a081395ed16e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.088902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101188/publication.md
observed 470e12e81a9f424fa6ba4f5bdfaa3c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.071162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101188/publication.txt
observed 021c0e20816bb98b44a82cd428958554...
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.