OpenTechnical

OT-2026-000053200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053200) never changes.

Identity and time

Publication numberOT-2026-000053200 · never reused
Internal UUID01a0ae85-0a14-765b-a2bc-d8fcf3b4c588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053200
StatusPUBLIC

Content hashes

Canonical text09f04d601522e2be5ea37b048001642e8c3dd4f9c8579a28f2bc1458714784c6
Markdown9cd4650d9155cc5d0d09ffd455deed762af27c1be9b3913826c640fa4ec2aa67
PDF
Publication page1f9a920174518b2d2a1cb61bde2f706c91607bbb42ae71ff06fc56e781a58183
Manifest089e8f73adebadb03d7b54c00a69f6c4efb2e7a6b3bdd2a6f92899c3a610e826

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
SignatureEoEYFDMc0z0xvsJhIi4QROctIdap1FWyJTfDyW2Ixbbc7nSMqEC1tYu/0geWTT8Ywj0+VTwuybVw6LxYPTOeBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:47.995673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053200
observed 1f9a920174518b2d2a1cb61bde2f706c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.978297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053200/manifest.json
observed 089e8f73adebadb03d7b54c00a69f6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.837876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053200/publication.md
observed 9cd4650d9155cc5d0d09ffd455deed76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.817023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053200/publication.txt
observed 09f04d601522e2be5ea37b048001642e...
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.