OpenTechnical

OT-2026-000050217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000050217) never changes.

Identity and time

Publication numberOT-2026-000050217 · never reused
Internal UUID01a0ae82-5c46-776b-b4d5-533c04868ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050217
StatusPUBLIC

Content hashes

Canonical texte0d58fb759d618c5d7a977a1ffc83ca10848383491db9567909b45ec0d03dae6
Markdown5fabc5fbfde634dd8a2236153f0bf1e130d9aa92ba17bc4bc298fddaec04fb8f
PDF
Publication page7fb5112b16fe7f4c3f193e5c3f93556b27f5e5f0bb95208f991610085a5e7227
Manifeste3627577d26c8044c8c0e7d3741d2c0e6002464de6dfcbf43c27d9fbeee8ebc7

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
Signature1gBZbdJiIIpKGTVk4XR8kf4IjC0BihOjxzqKdmgNL2erWhehFqxkE5S2vh6BI1/udQkORDm/WchKhBpbhQgbCQ==
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

2026-09-17T11:01:12.514435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050217
observed 7fb5112b16fe7f4c3f193e5c3f93556b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.498292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050217/manifest.json
observed e3627577d26c8044c8c0e7d3741d2c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.482452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050217/publication.md
observed 5fabc5fbfde634dd8a2236153f0bf1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.464893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050217/publication.txt
observed e0d58fb759d618c5d7a977a1ffc83ca1...
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.