OpenTechnical

OT-2026-000044771

Publication integrity record

Foam pad 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-2026-000044771) never changes.

Identity and time

Publication numberOT-2026-000044771 · never reused
Internal UUID01a0ae7c-911a-7f5a-9640-90a7b3aed515 · 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-2026-000044771
StatusPUBLIC

Content hashes

Canonical text6a9792b6eab16cb4af6a6037e78da88debedfdf4bfb3e3d2f4ea6120611d4e8b
Markdown03b53f9d313447c4bc691130cd4a3a99b5d95baab4c09fd97ceb56155ae7236e
PDF
Publication page79fbffb82d76b3c23f6912884568b6b9aaf9bc58dfd0910a7128cc084a6ed4bf
Manifest83dd0e9d84f83849320d70558d70003bc1b465b83651514700581769d0430d5c

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
SignaturePYLc9N+4RVckU41jhsuqdXJCoZx+We12IpUG3sPAVGXIs6Uv/ziguMjAz/HiVyfvGm77wppAOiIy8+Xfi+quDA==
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

2026-09-17T11:11:23.638800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044771
observed 79fbffb82d76b3c23f6912884568b6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.620058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044771/manifest.json
observed 83dd0e9d84f83849320d70558d70003b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.601517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044771/publication.md
observed 03b53f9d313447c4bc691130cd4a3a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.583683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044771/publication.txt
observed 6a9792b6eab16cb4af6a6037e78da88d...
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.