OpenTechnical

OT-2026-000024193

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000024193) never changes.

Identity and time

Publication numberOT-2026-000024193 · never reused
Internal UUID01a0ae70-e8c8-7333-95f3-b78050ff9696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024193
StatusPUBLIC

Content hashes

Canonical textfbf2eb2d319e99f030d4560a3abd52cf9b82b95330cad365c91c9d5db8f1eff6
Markdowncc10f4c5b140184c4178f3bf4bf3e53aa0133e9d9250ca6e3d63ca06698a0579
PDF
Publication page254abd7b7aaec07b3ecb9b7c999fbf3c5c8c052ecbd2e2909b86048e86b512b9
Manifest0985211bcfddda86b88ecf09ce3203c6a8a0597c1e378b7bfe9642f617e0ceea

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
Signature2Ze+1CJVFRJDfWOBsVaYpHaX3LKdg3VrsWp20RXVgVtHu31Bdg97R8+XmdEXBDojCljJFY8zDpNE1SdpK0ruBg==
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

2026-09-17T11:48:39.143762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024193
observed 254abd7b7aaec07b3ecb9b7c999fbf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.125735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024193/manifest.json
observed 0985211bcfddda86b88ecf09ce3203c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.105226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024193/publication.md
observed cc10f4c5b140184c4178f3bf4bf3e53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:39.070861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024193/publication.txt
observed fbf2eb2d319e99f030d4560a3abd52cf...
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.