OpenTechnical

OT-2026-000057632

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057632) never changes.

Identity and time

Publication numberOT-2026-000057632 · never reused
Internal UUID01a0ae88-2694-7f7b-a79f-3fe0cb79645a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057632
StatusPUBLIC

Content hashes

Canonical text4533ec518cace0b2652d3287b821b4843a9f7116ab611e760173fa3c97851da4
Markdown60df9d7f9e7f77c4c0e81b9fb59a7a6ef470dca43bf4e5f5fefdfa4302b91fc2
PDF
Publication pagee92f5baae7a1d6f3609b0d6d839e07e0f3e5a73ce9594c9936a2db1eae994ad6
Manifest1a1a77ea1430ce4e00edbc6f5e997fd92e93605625cefca73aa2e330d4315906

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
SignaturegWsPbqWYuR7wxWoVmOlF7J3p4ITCETX0AS3fcmRU9BaU2o6eJaZk92ZkQkY78MYNpXTo+3znA+qm6PrbvYvMBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:11.633682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057632
observed e92f5baae7a1d6f3609b0d6d839e07e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.616286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057632/manifest.json
observed 1a1a77ea1430ce4e00edbc6f5e997fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.597389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057632/publication.md
observed 60df9d7f9e7f77c4c0e81b9fb59a7a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.578670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057632/publication.txt
observed 4533ec518cace0b2652d3287b821b484...
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.