OpenTechnical

OT-2026-000073313

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000073313) never changes.

Identity and time

Publication numberOT-2026-000073313 · never reused
Internal UUID01a0ae92-efb7-7312-9797-61c1e87d54b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073313
StatusPUBLIC

Content hashes

Canonical text01dccb553c5b85249fe2915ee006d240abc6d2610bf8cadde83b607febeeb1ec
Markdown86c95bc51df4616c7217542f6ecae54397435ef2242b1936ea98a12de9d4dee7
PDF
Publication page2b0fab27535fe7539ff837cb0b7db95d430866006809d88bc92704b9c33439c7
Manifest2539b88c2311cfb557ecfcb93bfbd3e7b14f6cd8f3f2b933c0f3876390d68577

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
SignatureC+NgFzrmmICRQjGRpHpAgC1kmACirjFddi8j97q5ecK9mR7tLWBYXM2j53+QJgIztPV6YY62aCai/BUUoyeKCw==
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

2026-09-17T10:21:19.523568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073313
observed 2b0fab27535fe7539ff837cb0b7db95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.505346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073313/manifest.json
observed 2539b88c2311cfb557ecfcb93bfbd3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.485864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073313/publication.md
observed 86c95bc51df4616c7217542f6ecae543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.466305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073313/publication.txt
observed 01dccb553c5b85249fe2915ee006d240...
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.