OpenTechnical

OT-2026-000015063

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000015063) never changes.

Identity and time

Publication numberOT-2026-000015063 · never reused
Internal UUID01a0ae6d-d096-7a33-9bee-d8a860aacdbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015063
StatusPUBLIC

Content hashes

Canonical textd13f059a220756df733f3830e80a09a78fb4ed7891eb96272253643077d0e1d3
Markdown11f85b9e94934b19b9c78cb29ce80653088e0324c72b08d3a639de5f94259277
PDF
Publication pagebfd1e7d5946d0a3b7c98d1a7fad2e32226855f87e4957318a17c7548654320ce
Manifest351ead44b6639440d643a576f32bea3f18b0d4b753080f4043bda10852ea5171

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
SignatureJcNCW4bXOtoGW+7uzrppRkjBYOWbGqz8zatXCneGENdWIhoqFReApQF/UAQ0+4xCI0JxxS2BanJj+bQ7AIX4BA==
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

2026-09-17T12:07:06.411437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015063
observed bfd1e7d5946d0a3b7c98d1a7fad2e322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.389980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015063/manifest.json
observed 351ead44b6639440d643a576f32bea3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.371015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015063/publication.md
observed 11f85b9e94934b19b9c78cb29ce80653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.350567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015063/publication.txt
observed d13f059a220756df733f3830e80a09a7...
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.