OpenTechnical

OT-2026-000075147

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075147) never changes.

Identity and time

Publication numberOT-2026-000075147 · never reused
Internal UUID01a0ae93-f1ff-7906-bad7-69839d9a5867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075147
StatusPUBLIC

Content hashes

Canonical text09f5a36bcfe0e2ca787e3c940248b253dbdab622ac0013a94824e4e8bd00fee4
Markdown1f6746e79df219e2221b0e0094d8b8c0697fd9b31a629da86f47d3c9a1be4a4e
PDF
Publication pagec65d923e8130cea931bc63372785079a047e87d83bf5b975a7a480c2fcfa75db
Manifest50dd198d6d4fd9134a7257728ca2e9d0669717314b876e94c5aeed7a1927911d

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
SignatureZwlrXUQgB6WczuPVxSZr/JpIitqMvuUnAT89x6RFptQXOQpQSPjWp66yTD1ZIf6zcU7qJpCyDxwBvClZFL90Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:22.910818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147
observed c65d923e8130cea931bc63372785079a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.893859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/manifest.json
observed 50dd198d6d4fd9134a7257728ca2e9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.876429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/publication.md
observed 1f6746e79df219e2221b0e0094d8b8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.854284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/publication.txt
observed 09f5a36bcfe0e2ca787e3c940248b253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:27.204798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147
observed c65d923e8130cea931bc63372785079a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:27.065052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/manifest.json
observed 50dd198d6d4fd9134a7257728ca2e9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:27.046457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/publication.md
observed 1f6746e79df219e2221b0e0094d8b8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:27.023249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075147/publication.txt
observed 09f5a36bcfe0e2ca787e3c940248b253...
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.