OpenTechnical

OT-2026-000005681

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, ejector fed, contact triggered

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-2026-000005681) never changes.

Identity and time

Publication numberOT-2026-000005681 · never reused
Internal UUID01a0a941-398a-7dd2-ac3d-6a4885e99c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:59.213935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005681
StatusPUBLIC

Content hashes

Canonical text0482a37129f542c88b7d7bfb23424e6e16338cbceb02c907a6a33bf7f435756f
Markdown8b4a500000ca1abab6a4cf3ea78864747a2ba8e224cca3cdd54424a05b35ef4b
PDF
Publication page502583937d96acd466793f308d12e74aecdfbf9d2db7ff1decb4687f3483fbcc
Manifest71191c4d674ff2962c92629e66a1717efc32dc03711bc12e2dd87a69ae5e651b

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
Signaturego/r6PFaxoqJeMY0rItqE2kFoZJfzO3IlDXxRpAj5ly8LvpERsIGkUykSgM2mBTMph2mVNRC6Qoxi03iYe6RBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:12.456724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005681
observed 502583937d96acd466793f308d12e74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.440512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005681/manifest.json
observed 71191c4d674ff2962c92629e66a1717e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.425587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005681/publication.md
observed 8b4a500000ca1abab6a4cf3ea7886474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.411468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005681/publication.txt
observed 0482a37129f542c88b7d7bfb23424e6e...
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.