OpenTechnical

OT-2026-000027460

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000027460) never changes.

Identity and time

Publication numberOT-2026-000027460 · never reused
Internal UUID01a0ae72-6998-726b-ae79-7001b34b755a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027460
StatusPUBLIC

Content hashes

Canonical text63c083ebb6677edab1a23064c5854fe9b17140a3bb8c1aecd0c1ed62ab93ce2d
Markdown8235e0c734ed4012602258fbe8ac03b578a45e5fd9b1bd7888f33a0138b27cd4
PDF
Publication pagebfe31d99f671597619877a51f956f9b9637f923813421cc1d2f941ca114051b8
Manifest44f45b4c18feaee7087514c3a0de46fac00ad5c7fb141f336030f7149ac6bef9

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
Signature+uTQMj+/TiI42iAJzOh/EOedh56O8xgcVoCerLziSD+JUDWAb3uXEMuMwiaJ84PKTPs7Dt2+bS4jVikC/WARBg==
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

2026-09-17T11:42:55.120123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027460
observed bfe31d99f671597619877a51f956f9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.097570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027460/manifest.json
observed 44f45b4c18feaee7087514c3a0de46fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.079851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027460/publication.md
observed 8235e0c734ed4012602258fbe8ac03b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.055466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027460/publication.txt
observed 63c083ebb6677edab1a23064c5854fe9...
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.