OpenTechnical

OT-2026-000030360

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030360) never changes.

Identity and time

Publication numberOT-2026-000030360 · never reused
Internal UUID01a0ae73-e501-7137-b9bb-557eeac20d50 · 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-2026-000030360
StatusPUBLIC

Content hashes

Canonical textab9891b11f3ea0075bbc469d8ffdca79dec9c02cab1cdeb457a88bccaa13527f
Markdown14940f183c3dc9bd98d17974f848f54f7153ce10b17cc6746ac5907f402cb878
PDF
Publication page1d00291d063acc4e46cf4cda2850412017e6f9fad719789da9e48633ce493014
Manifest9b4e8720ae382a75647981d62400981905e1269dbfd8a46fcdc507e3d00bee41

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
SignaturejvDoT7FQaA3+Quvi9AqUHeuvUn9XODQMg1F3bE2NMqNqltutR62GONYr91Hf/I2IalNtuMIPzDlBxlt+bkRcDA==
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

2026-09-17T11:38:04.757516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030360
observed 1d00291d063acc4e46cf4cda28504120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.739768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030360/manifest.json
observed 9b4e8720ae382a75647981d624009819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.722343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030360/publication.md
observed 14940f183c3dc9bd98d17974f848f54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.703034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030360/publication.txt
observed ab9891b11f3ea0075bbc469d8ffdca79...
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.