OpenTechnical

OT-2026-000088949

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088949) never changes.

Identity and time

Publication numberOT-2026-000088949 · never reused
Internal UUID01a0ae9b-8f11-725e-9ba3-f2f69ca00162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088949
StatusPUBLIC

Content hashes

Canonical textaecfcb53d6d65d91f535e6e59eae815a93baa1b34e7c69686502d8c9d4ad65e0
Markdownbcd48d054aa192c29b0da93b3afa9699a8ed919d74fec83c2700f54850336815
PDF
Publication pagee29d42afffc012a3ff18048974cbc2514add9492e04f543fa80fdc9c24f3518b
Manifestc2a9e61c4e411b096b801223d4ee8754e330bc47210af82e6cabf645aedc53ba

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
SignaturegmzX00NeBURZ05Y3RpVBjW/EUMrQjDnlCGNsFU3Le+7Ztz5FqkP3s/oJUl0bGgXw2XDMDE7GoXV8WyjDw89yCg==
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

2026-09-17T09:48:21.662054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088949
observed e29d42afffc012a3ff18048974cbc251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.644213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088949/manifest.json
observed c2a9e61c4e411b096b801223d4ee8754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.626773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088949/publication.md
observed bcd48d054aa192c29b0da93b3afa9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.607792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088949/publication.txt
observed aecfcb53d6d65d91f535e6e59eae815a...
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.