OpenTechnical

OT-2026-000020625

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020625) never changes.

Identity and time

Publication numberOT-2026-000020625 · never reused
Internal UUID01a0ae6f-65e1-7ecd-b12c-ad11ed772099 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020625
StatusPUBLIC

Content hashes

Canonical textd81c8afe2efc353a973c828f37b0170efa2dfd98d3314215f26272249902da18
Markdown222e53a65fce23d29d05bf09aa3cfff080b11927b41958b416d4c5f06f622db4
PDF
Publication page05b068cd58c9cebea25567617e01b0df539efe74a617dd266b4054cf51c4293f
Manifest0d335e752135045bd6cf5107b16f52cf52691864ba8627ec31a50044cd2bf31b

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
Signaturerx4G8/j5U61gPp0x8c2FTgL+vVg7r2XG+n2vo7LImMnf9KfzB2QsTGxZo86LXsghoZTz5Q1X/QCIXiZERYI0BA==
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

2026-09-17T11:55:34.369004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020625
observed 05b068cd58c9cebea25567617e01b0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.350302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020625/manifest.json
observed 0d335e752135045bd6cf5107b16f52cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.333243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020625/publication.md
observed 222e53a65fce23d29d05bf09aa3cfff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.315876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020625/publication.txt
observed d81c8afe2efc353a973c828f37b0170e...
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.