OpenTechnical

OT-2026-000030476

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000030476) never changes.

Identity and time

Publication numberOT-2026-000030476 · never reused
Internal UUID01a0ae73-e504-7240-8439-9a0bbf243301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030476
StatusPUBLIC

Content hashes

Canonical textd4eb1466efe713b2faadd874c9f903c0a3187f58bccbc247f0295814d924b473
Markdownc6f091ea0e8b69a362fde27d46ce67e43a97cb3106262dd19e58c8142282fbfc
PDF
Publication page79a7044dcd981a5449c1b7ebb101521d7974250206850b9d4fe25ccc1ee0b377
Manifestbc0c90b0700b05ac4ae57e679f407ff349a69441c200973ffe18e5c4ed44657b

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
SignaturePvYntC89pv5XvYRsMqA3my6GToflSS4POlfmKiuaF19Muo3gZWY8Rfw9iybOTZ1B20SDZDQI2/E5E0ZZp/ITBg==
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

2026-09-17T11:38:19.428176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030476
observed 79a7044dcd981a5449c1b7ebb101521d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.408985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030476/manifest.json
observed bc0c90b0700b05ac4ae57e679f407ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.390602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030476/publication.md
observed c6f091ea0e8b69a362fde27d46ce67e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.368920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030476/publication.txt
observed d4eb1466efe713b2faadd874c9f903c0...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent