OpenTechnical

OT-2026-000022169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000022169) never changes.

Identity and time

Publication numberOT-2026-000022169 · never reused
Internal UUID01a0ae6f-f4fc-76bd-87a3-93d71c759ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022169
StatusPUBLIC

Content hashes

Canonical textfa9ec584b498d826248d05925781387e692f01e31f223ba2e8a9e3de5d5791ec
Markdowna1780a3a6f783709fdb0b92a4bffa534fdb6cdbeea6dc0b4ec111e4fe8fdca9d
PDF
Publication page86c92db04253405f1afcff7994a9f235514d659d42501969759d021ad19eac52
Manifest2b063944b7e33c1a4128ba8d32032e2bd0555035b3d35bd47af5e49f8ea5043d

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
Signature5Vex3xZp67Xo/9fJyQJn/ClhC/QJ8K/+cUMQjM2oqidjlVu/CsWiCvFH2Z9wYnzc0r14kY0VUCna6ria2Ue4Dw==
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

2026-09-17T11:52:51.012530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022169
observed 86c92db04253405f1afcff7994a9f235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.995172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022169/manifest.json
observed 2b063944b7e33c1a4128ba8d32032e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.975440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022169/publication.md
observed a1780a3a6f783709fdb0b92a4bffa534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.953481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022169/publication.txt
observed fa9ec584b498d826248d05925781387e...
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.