OpenTechnical

OT-2026-000059928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000059928) never changes.

Identity and time

Publication numberOT-2026-000059928 · never reused
Internal UUID01a0ae89-ec26-7141-b0e7-14202f0cbe1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059928
StatusPUBLIC

Content hashes

Canonical text4670d0c0893cdd5e764b107587ab865deb3e8d0c10983e1b2f0f7d8c2676f78f
Markdown952f72d554c99bf8068f6647f3365e00c90c3222efe113ec76532d2544ff8ee6
PDF
Publication pagee3daa65d1b3acca8a516560b7e71d4bd3e4c25d1b5a8b18e4779f249edb7021e
Manifest0afe9110e4a653192bc7f648a5f9829e66992bfe922a841efe3807ea7b16f2d3

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
SignatureYxbpSeLmq2TdZaththa5z9GtXtyB7msX06uH/FoV41xDj+ceTG/1ab+qf+9sZ46cBYuVukNMcGm9mvWV7hJ2AA==
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

2026-09-17T10:44:42.022208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059928
observed e3daa65d1b3acca8a516560b7e71d4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:41.989677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059928/manifest.json
observed 0afe9110e4a653192bc7f648a5f9829e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:41.899645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059928/publication.md
observed 952f72d554c99bf8068f6647f3365e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:41.881276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059928/publication.txt
observed 4670d0c0893cdd5e764b107587ab865d...
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.