OpenTechnical

OT-2026-000013006

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000013006) never changes.

Identity and time

Publication numberOT-2026-000013006 · never reused
Internal UUID01a0ae6d-5564-7bfe-9406-854cb9818c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013006
StatusPUBLIC

Content hashes

Canonical textc223aacb953f85ad9ae563e50ce10f82fab1622bea4bfccb67c2aa90e47e5e14
Markdownff91e8cf2128484fce8b9fe99836e7003d96dcf2d64b17187991667d82776c54
PDF
Publication page923b539d9d1d970b3dc67f110973b19fe9f7fff35b5bf1f3a18b8c75bf3f7d2a
Manifest45eaf2f98a3a03bc9087be0b6e52e9d8ad16f0a81611501c2f5aa60ece631710

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
Signature95nNAPC4le27n8G5EtW0z2UrJZ72+7IWBuEchsuwShecennNUM8T/fGFrAql3Iaal2EJffGiJ+UyM5Kg9P9hCw==
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

2026-09-17T12:10:49.642436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013006
observed 923b539d9d1d970b3dc67f110973b19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.623422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013006/manifest.json
observed 45eaf2f98a3a03bc9087be0b6e52e9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.604742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013006/publication.md
observed ff91e8cf2128484fce8b9fe99836e700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.585032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013006/publication.txt
observed c223aacb953f85ad9ae563e50ce10f82...
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.