OpenTechnical

OT-2026-000025225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000025225) never changes.

Identity and time

Publication numberOT-2026-000025225 · never reused
Internal UUID01a0ae71-5fa6-7a42-b59a-bab74472aaa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025225
StatusPUBLIC

Content hashes

Canonical textb4d36d3c71266786d87e0462d1327d2539d6b41693789036970c8a8494dbc71d
Markdownb51affbb9bc690e6660de67694629b1eac9a64eb79a8b5ec94e7d883691d39be
PDF
Publication page392fface146cb0d967bf6fb419f05cd0fee5381bb9e4e8ea5a313e11b1828cda
Manifest0601fb42037f707c1599dac510e625149d30861901023c925cbea3910a277887

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
SignatureQr40PnVbasJ3JNWZDqLjtWsn1m0vnmkwloE5bilqZwzvwlTZBWGH+mtY5ms1+obC+G32cDSDlSJ/+uwiZVZ8DQ==
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

2026-09-17T11:47:13.856856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025225
observed 392fface146cb0d967bf6fb419f05cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.840152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025225/manifest.json
observed 0601fb42037f707c1599dac510e62514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.823861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025225/publication.md
observed b51affbb9bc690e6660de67694629b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.805607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025225/publication.txt
observed b4d36d3c71266786d87e0462d1327d25...
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.