OpenTechnical

OT-2026-000058724

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000058724) never changes.

Identity and time

Publication numberOT-2026-000058724 · never reused
Internal UUID01a0ae88-f39e-7f45-8784-5fedafb69d1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058724
StatusPUBLIC

Content hashes

Canonical textf951785c5fc8e9d10a4c47710f07b3b6f2e198aeca114e97160bea685daddd55
Markdown96a10a0ee7e7e366a0a66d83f5af5631a9c0386410ffe0009ad07f4185b4510f
PDF
Publication pagefab217103b655dc9fc3f594f838cbb5beda8341b89e07c2d59faeb7f04e09e9f
Manifest06f91eadc8838594372dcf812b4b700ea853ecdb5a3baf2aaba7e84ed2abef77

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
SignatureiR6yrZa2yNRzVhL4xAdZMe8VlW3+tLb9u+6goCs6tDhQqMD0/tHy2sl6uJ43Ci3u4XHQgG5EYInzIDPdyu81Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:15.360261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058724
observed fab217103b655dc9fc3f594f838cbb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.343045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058724/manifest.json
observed 06f91eadc8838594372dcf812b4b700e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.324756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058724/publication.md
observed 96a10a0ee7e7e366a0a66d83f5af5631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.307325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058724/publication.txt
observed f951785c5fc8e9d10a4c47710f07b3b6...
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.