OpenTechnical

OT-2026-000017563

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000017563) never changes.

Identity and time

Publication numberOT-2026-000017563 · never reused
Internal UUID01a0ae6e-76ca-7c54-9aed-be6509b699c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017563
StatusPUBLIC

Content hashes

Canonical text03c284221a6321810ca5f19bfba3ba816c89f3107f9a286be15de9830c3e2a9c
Markdown09a9aeee9d0a74269638b3030ed1155a402b7b202933c934848c2daecaa0c276
PDF
Publication pageeece326f7853da3c08ebe6a9ee8880959a32bd12fce9696df5b309666c234dd6
Manifest843ac409b69eb6bcd87fb0d2fb29da31ee247bfa14d85be14cdca8bb6c13ab23

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
SignatureAzc4KyEdx3gR2hzkgiBXnI6h1aJawQDFPSU7l+7HyXbS7aMSTjBhxr3vdJ0J/iZiAWvuJdHRj0GVIvQGrJroCQ==
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

2026-09-17T12:02:43.968648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017563
observed eece326f7853da3c08ebe6a9ee888095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.952367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017563/manifest.json
observed 843ac409b69eb6bcd87fb0d2fb29da31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.934155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017563/publication.md
observed 09a9aeee9d0a74269638b3030ed1155a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.915824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017563/publication.txt
observed 03c284221a6321810ca5f19bfba3ba81...
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.