OpenTechnical

OT-2026-000033688

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033688) never changes.

Identity and time

Publication numberOT-2026-000033688 · never reused
Internal UUID01a0ae75-a390-7bee-97f2-637933f5fda1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033688
StatusPUBLIC

Content hashes

Canonical text446b7dce2746393ffab9b50ba0aeb0350c8b0824789f5f57b6e072b00a987d9e
Markdown7d353b529607ed879df924a0aea22ae82252c09a258a62274d2e04887ff16d24
PDF
Publication page964285032e9969c58b28467c8b2a905798e34ea8e2596652f0c30c2d7d140bb9
Manifestd545231b1cd67895b5204f0ddecb21dd6e9ab8ed4c1a4755e94c946620c75d3c

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
Signaturexr6EIQzYYjGqlI+pDDGQQS4/5IsY0h/SrDCDHJaOsJNR1c6WDaJctcXg/RlQJGytc+9v3Nnzh7XzjFAMAkrFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:40.892706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033688
observed 964285032e9969c58b28467c8b2a9057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.874373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033688/manifest.json
observed d545231b1cd67895b5204f0ddecb21dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.855866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033688/publication.md
observed 7d353b529607ed879df924a0aea22ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.838704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033688/publication.txt
observed 446b7dce2746393ffab9b50ba0aeb035...
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.