OpenTechnical

OT-2026-000057735

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000057735) never changes.

Identity and time

Publication numberOT-2026-000057735 · never reused
Internal UUID01a0ae88-2695-7ca2-8dd9-8d7b720cf264 · 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-2026-000057735
StatusPUBLIC

Content hashes

Canonical text8e0b3142074c964f61046d3def9f8dd74abd5ceb5fe0256d3bdd31f73c534034
Markdownbd71ab68245f9bf9fb824c790a8331d537ff11854da8c0036113499a56990d1d
PDF
Publication pagefdc6d3a5514f157873dce985a0880a81e865311cfd1d6d7e6c0c0ea25ab6e548
Manifest06d80029bb64ee4158dc2cf1d7475360acbf868e995d0aceb3cd9b8517c07b7a

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
SignatureCgs7nGbxLie/1h/8NTxPs0kNGbTaOGj7tNtCMJ/1bP1RUX9YLlZNXTRk7L7AEXiYq5SvAjRbzwoSjkJfnNZUBQ==
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

2026-09-17T10:48:24.590932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057735
observed fdc6d3a5514f157873dce985a0880a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.572675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057735/manifest.json
observed 06d80029bb64ee4158dc2cf1d7475360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.556494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057735/publication.md
observed bd71ab68245f9bf9fb824c790a8331d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.539205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057735/publication.txt
observed 8e0b3142074c964f61046d3def9f8dd7...
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.