OpenTechnical

OT-2026-000069388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069388) never changes.

Identity and time

Publication numberOT-2026-000069388 · never reused
Internal UUID01a0ae90-b529-77d7-84d7-c888272cd39a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069388
StatusPUBLIC

Content hashes

Canonical textfc0db9926fa0dd1ac1b70669956c4e59f0435fdfd0f421066a5f68f220210d34
Markdownde0f19dc3cb89d10dd20bd4be4137e2564c535714dd88432585a98a5e3221f07
PDF
Publication page378a2a5191a752aa76a84b6b5c3a32e07c79a4320570f25607d7915612091da9
Manifest1624cb603803f1d68edf49a6556d459edd686044d587d9b19315223a77b8f060

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
SignatureJgWtcqgK+qGaubipIjRp0bRVMLdbRZcW0TYRQFesMOHt1xDKLsRdCyeZTMtlZcnL4ofrOogbQLPlm+KQraDsBA==
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

2026-09-17T10:30:18.680690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388
observed 378a2a5191a752aa76a84b6b5c3a32e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.662409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/manifest.json
observed 1624cb603803f1d68edf49a6556d459e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.643791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/publication.md
observed de0f19dc3cb89d10dd20bd4be4137e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.623206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/publication.txt
observed fc0db9926fa0dd1ac1b70669956c4e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.151500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388
observed 378a2a5191a752aa76a84b6b5c3a32e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.132161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/manifest.json
observed 1624cb603803f1d68edf49a6556d459e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.116334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/publication.md
observed de0f19dc3cb89d10dd20bd4be4137e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.098890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069388/publication.txt
observed fc0db9926fa0dd1ac1b70669956c4e59...
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.