OpenTechnical

OT-2026-000026507

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000026507) never changes.

Identity and time

Publication numberOT-2026-000026507 · never reused
Internal UUID01a0ae71-f4a8-7205-8a2b-17eaf5e0061b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026507
StatusPUBLIC

Content hashes

Canonical textbd42cbc1e77da8d58564cbb377c96f9051fa7844650cee24a6c39b74d8e32d00
Markdown53dcd24f8bf87e1d967f8b93d97cd45bfb9f0e6f5c6f9bdbc157de6ec453bc8f
PDF
Publication pagec00d51247c2faf544de8594db205c85fbd7b3e7c6a73838ac46a78c751a34162
Manifestd9a964fbc8bdc6b0b57237e22fd8be667ca494552e1b4cf82e5bd48892e7c1c4

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
SignatureDS7gsUZc+4qW4vnCyapOeaFFjdafRI1dhBfEzcGCwCcJeAb/qohkMw51ieiQVMlDQjNPm6cfYBy+L7IsdHRwBw==
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

2026-09-17T11:44:38.120821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026507
observed c00d51247c2faf544de8594db205c85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.101790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026507/manifest.json
observed d9a964fbc8bdc6b0b57237e22fd8be66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.083042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026507/publication.md
observed 53dcd24f8bf87e1d967f8b93d97cd45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.063967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026507/publication.txt
observed bd42cbc1e77da8d58564cbb377c96f90...
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.