OpenTechnical

OT-2026-000024015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000024015) never changes.

Identity and time

Publication numberOT-2026-000024015 · never reused
Internal UUID01a0ae70-aed7-746c-b9bb-8d30b79b2d70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024015
StatusPUBLIC

Content hashes

Canonical text5c870b40906742653b61bc79b2a2aedaacb6c3b6f02182f6a31c566d462b21eb
Markdown2dc4bc9616871b785d5e507b07308ae4a5d0ff1d2d7aa8604d68b46e1c50b7fa
PDF
Publication pagec86baba834c31317e5a76b275ed70e94b50a10ca7b60715910323ccce5c943d8
Manifest4a5da8de1a1cb256c050e78af7fa0d36bf573d7d677a638076c851e7bfecc61f

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
SignatureIkrfvoZsEFTWObNF7Xfc8/b8KOyebYgJkLpgdyLzQYtQ9I+Ad/ol6szXR0IVR8AP2IAOWpWIJu6YBNzNx7Y/DQ==
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

2026-09-17T11:50:47.740037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024015
observed c86baba834c31317e5a76b275ed70e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.723562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024015/manifest.json
observed 4a5da8de1a1cb256c050e78af7fa0d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.703548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024015/publication.md
observed 2dc4bc9616871b785d5e507b07308ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.682869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024015/publication.txt
observed 5c870b40906742653b61bc79b2a2aeda...
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.