OpenTechnical

OT-2026-000022737

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000022737) never changes.

Identity and time

Publication numberOT-2026-000022737 · never reused
Internal UUID01a0ae70-46ea-7e26-b6b7-29341fe8482d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022737
StatusPUBLIC

Content hashes

Canonical text83847e8a1ac0ff35a99353ffffc82fe9a424dbcd5fb46a5990d6317200217c09
Markdown0ebf2b4ff1edca0a1979a965b2c7dff2dd4efc542184a59bb0abd9aa125ea137
PDF
Publication page5188ce8ae273787229939586bbfc52ea7b37e43770229c5e4fb23a5e7dec646a
Manifest89313a50828ffb3c5b5221a5e7afbe04b623430f85a00dbe86f65acddad42349

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
Signature6NEGcuUJUlmtj2GJC6/lLQJOkj8ygdhXnkkhMc8rZ1VxVpDr4JDbbTmIqgeOLZCRS+4Mdkxt/s6TW7Lrv/1MDg==
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

2026-09-17T11:52:14.567877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022737
observed 5188ce8ae273787229939586bbfc52ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.551615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022737/manifest.json
observed 89313a50828ffb3c5b5221a5e7afbe04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.530473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022737/publication.md
observed 0ebf2b4ff1edca0a1979a965b2c7dff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.513342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022737/publication.txt
observed 83847e8a1ac0ff35a99353ffffc82fe9...
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.