OpenTechnical

OT-2026-000024049

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000024049) never changes.

Identity and time

Publication numberOT-2026-000024049 · never reused
Internal UUID01a0ae70-aed7-79a9-9725-d2e7f4dcb84d · 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-2026-000024049
StatusPUBLIC

Content hashes

Canonical textb08f94255b01abff230461668ab5f00c730f4afc17dc5460d89b720d9a5524ac
Markdown4437c04e944690b33f49ffaa57865b7a12df7f2072fb9bc8b1f33bf43cebcdda
PDF
Publication pagee119e132d86f92ce148c85b53263293d1979055ead770fac94699899a2eb5454
Manifest0f8f97f0e3e097a58682404a0ee7d5b3626a912eb0539fc77ad3a5f7aefce216

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
Signature6YnNVt7LXDYR8v98LMolkK9j6vCGmxZPEsQTIJfuHnFCH7FlK/qaxd8tfXEvYigi1QqysXDoYj7ySBrvx1/wBQ==
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

2026-09-17T11:50:51.320097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024049
observed e119e132d86f92ce148c85b53263293d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:51.286784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024049/manifest.json
observed 0f8f97f0e3e097a58682404a0ee7d5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:50.943375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024049/publication.md
observed 4437c04e944690b33f49ffaa57865b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:50.927052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024049/publication.txt
observed b08f94255b01abff230461668ab5f00c...
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.