OpenTechnical

OT-2026-000073553

Publication integrity record

Four cup vacuum gripper, four 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-2026-000073553) never changes.

Identity and time

Publication numberOT-2026-000073553 · never reused
Internal UUID01a0ae92-efb9-7c41-8691-69c2db66268b · 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-2026-000073553
StatusPUBLIC

Content hashes

Canonical text868f14cffd64e1d24ce9b8a6ab389019eb602d2c4656bd7a02ed6c3877af9cb3
Markdown07ae71e13cad10e5347c11d0d8ab3d0961b1798389815089d553de8f3e2f73e3
PDF
Publication page27201d57ab6d69a62a2016e69b049bff026515489aafeef6ae256343d9c965c9
Manifest054240f043c0b545e9abba1ba16e84564c37e42e214a1db3cdbb23231dcec018

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
Signatureduj5VXt+3yPj+tg8emcKRso3pzMMfBZ/o99qmGCm37uu4Z0LIh4dAcLrb2U66hwW0Vbrmff6X4r8UrVBiYzhBg==
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

2026-09-17T10:21:43.536544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073553
observed 27201d57ab6d69a62a2016e69b049bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.519471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073553/manifest.json
observed 054240f043c0b545e9abba1ba16e8456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.500835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073553/publication.md
observed 07ae71e13cad10e5347c11d0d8ab3d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.483190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073553/publication.txt
observed 868f14cffd64e1d24ce9b8a6ab389019...
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.