OpenTechnical

OT-2026-000033527

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033527) never changes.

Identity and time

Publication numberOT-2026-000033527 · never reused
Internal UUID01a0ae75-a38e-7207-b796-a1c19379f144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033527
StatusPUBLIC

Content hashes

Canonical texte7d3569b746933f4f0cc3af53c44786ba81a742ccce47bf5cd00295843db0994
Markdown2be344a58e1df9c41f227df9ef74ae68483e0494b6800b4425fc0961ccb60933
PDF
Publication page32ae5161c20265b391df9b6c2e1b9a36ad93903c8fd6b20e1a8dde3318827b5a
Manifest15925bcc254ae27ce0c4a9629de2900ee199dc1a2394dd11218b05a06ed1bacb

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
SignatureRcG+NMHMwBqjRtEgScsLsFbyY4136ArKSxn/gBbfjdQz48glhFsc0e5NHWSIfuWpE+VZnvEGoWRoV9XQpkR7CA==
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

2026-09-17T11:31:23.118754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033527
observed 32ae5161c20265b391df9b6c2e1b9a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.100788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033527/manifest.json
observed 15925bcc254ae27ce0c4a9629de2900e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.083142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033527/publication.md
observed 2be344a58e1df9c41f227df9ef74ae68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.065207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033527/publication.txt
observed e7d3569b746933f4f0cc3af53c44786b...
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.