OpenTechnical

OT-2026-000081519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000081519) never changes.

Identity and time

Publication numberOT-2026-000081519 · never reused
Internal UUID01a0ae97-0f71-7903-a830-006d3cfdaabc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081519
StatusPUBLIC

Content hashes

Canonical text9f4cad7b410e38bae742a8ac9e942a575d3b2c7e69b3d2cc58bde331225f9908
Markdown7f4a183fa8c2e278c6f85d169654c650986332275207e66344991f7ee0717438
PDF
Publication page5c0daa1cb5fa49521a6681dd0019e29b40d9ead848516ea919bb5adce2f90902
Manifeste938ad46c78e876c7b47ceb33b09d59189c0fc3a9945088bf1b6131c1012a412

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
SignatureRqo1QfVRDAKdyAOTq5PoEK/0JBh7XfIZTuHz/1DcHoJUmi+ZNdsbplC45U869Uf8UCC5cv5z0ujZUerppK1eAQ==
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

2026-09-17T09:59:32.178674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081519
observed 5c0daa1cb5fa49521a6681dd0019e29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.161172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081519/manifest.json
observed e938ad46c78e876c7b47ceb33b09d591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.143304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081519/publication.md
observed 7f4a183fa8c2e278c6f85d169654c650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.125959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081519/publication.txt
observed 9f4cad7b410e38bae742a8ac9e942a57...
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.