OpenTechnical

OT-2026-000090829

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090829) never changes.

Identity and time

Publication numberOT-2026-000090829 · never reused
Internal UUID01a0ae9c-c010-7abc-82e5-a8570903f9ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090829
StatusPUBLIC

Content hashes

Canonical text0046933e43a51c15b2ae0bfb2cb56b45766102f704ceb820e24eb470c8e8a486
Markdownda73d307f71dbf0e6a0faaa17904b57ee95f4cb4e11e1309289e4982127b04ab
PDF
Publication page87f8ceaa6a085ba8f069684663bcf7dc7f2b0693c7fa0d8a4db8897a86e01f92
Manifestdc2091695e2a4b334c6736929747fa3648347764b4be4b61434d4ef10a611108

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
Signatureb+JbsVhwNVWZ1V/D2H0uKvv6v44aSJAvtiq1N/eo9JfoAo6orpuS0IY1JdVuiabcXwDUPEj4NWegrG364LL5Bg==
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

2026-09-17T09:43:52.409608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090829
observed 87f8ceaa6a085ba8f069684663bcf7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.393885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090829/manifest.json
observed dc2091695e2a4b334c6736929747fa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.376828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090829/publication.md
observed da73d307f71dbf0e6a0faaa17904b57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.359474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090829/publication.txt
observed 0046933e43a51c15b2ae0bfb2cb56b45...
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.