OpenTechnical

OT-2026-000072402

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000072402) never changes.

Identity and time

Publication numberOT-2026-000072402 · never reused
Internal UUID01a0ae92-89d7-7fc9-9c3b-a748f623a612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072402
StatusPUBLIC

Content hashes

Canonical textd90126344a0b88a635ee755aa814e00b48b05db2e99a1e3834f549dba1dbd48d
Markdown00e54ea44b294f6c1897a970f756dd24ce2afc500f057581921ba962e86e9e47
PDF
Publication page4c0b19c60da059e2fb0a7543fae75216f268e4266b0b87c6b58be81b7fef018a
Manifestdb4378f6458348ab4a9d08cb81232c7e4a79804060533293eccb26a5fbe8b1d6

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
SignatureetTJqTZLBt3V2ZjWa3Mo41JmDwSqnSBEp+QLjp+C/TAnmUE7YtdU4A0iG07unqDAaLelxUrgmctWywKhqU1JBQ==
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

2026-09-17T10:22:12.957226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072402
observed 4c0b19c60da059e2fb0a7543fae75216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.939818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072402/manifest.json
observed db4378f6458348ab4a9d08cb81232c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.921889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072402/publication.md
observed 00e54ea44b294f6c1897a970f756dd24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.904218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072402/publication.txt
observed d90126344a0b88a635ee755aa814e00b...
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.