OpenTechnical

OT-2026-000075895

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000075895) never changes.

Identity and time

Publication numberOT-2026-000075895 · never reused
Internal UUID01a0ae94-29ff-7833-b8d7-1f6cdfd218f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075895
StatusPUBLIC

Content hashes

Canonical text6be11bcf0f162b1c28ddda0e2f55d813d722973cd74f053514961028eb62b914
Markdowne960e9d615e3269b9fc7beecdc47f5bed1b1ae11dd74cdbe867c3dc8c720fee9
PDF
Publication pagee45f4bf9b8aac141723d94a7556240367861c22786ded4151ded74e2b5f20760
Manifest477bff6c8783c5145d11fb5b4ceb08f856345cafd5e27708ec007db6276b575c

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
Signature5VcPynMrfs+1IIb9DfobIrSY+jgIMj8vVOlmDLSNoYicr2/U3gwppe4FsmrQqZFQz3kHf31bjudnQlXdhr8ABg==
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

2026-09-17T10:14:41.705610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075895
observed e45f4bf9b8aac141723d94a755624036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.563863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075895/manifest.json
observed 477bff6c8783c5145d11fb5b4ceb08f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.531256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075895/publication.md
observed e960e9d615e3269b9fc7beecdc47f5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.313882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075895/publication.txt
observed 6be11bcf0f162b1c28ddda0e2f55d813...
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.