OpenTechnical

OT-2026-000022141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000022141) never changes.

Identity and time

Publication numberOT-2026-000022141 · never reused
Internal UUID01a0ae6f-f4fb-778d-83b3-51d13205b0df · 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-2026-000022141
StatusPUBLIC

Content hashes

Canonical textb249437bd8b968668583b8ac548d24c2d1a5b5ad7695250ae67cbe7fb633f769
Markdown6a13827c6204acf2da593c5f4c7761a06ce02215d90b731d5f9cdd45133fcf73
PDF
Publication pagecab8b0544a5995e01a694fcf5f616fe1d7a5f49f60ff41b758de9075d9a1149a
Manifest0f4ff0834024cff82a883911413b9808dfa4583ad2f01c2e6fca345caa43f580

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
SignatureDBQcrPNY//j582RFiKiLjNlz3vSW42/2ohDMvmfXaTUk/0KZKj2gW+gasauxbZebjUU+/1cvTF+w2Eoqy1v+Cg==
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

2026-09-17T11:52:48.987501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022141
observed cab8b0544a5995e01a694fcf5f616fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.968662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022141/manifest.json
observed 0f4ff0834024cff82a883911413b9808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.949163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022141/publication.md
observed 6a13827c6204acf2da593c5f4c7761a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.929241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022141/publication.txt
observed b249437bd8b968668583b8ac548d24c2...
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.