OpenTechnical

OT-2026-000067463

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000067463) never changes.

Identity and time

Publication numberOT-2026-000067463 · never reused
Internal UUID01a0ae8f-6bd9-7eed-bd16-775c5eae5db9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067463
StatusPUBLIC

Content hashes

Canonical text8b39eb98aee07ce5e179f1c911c52e8937c753dae1c5484c69eed3920b69d040
Markdown30544e1feb8a944e0086a4cade4bda4893e938778c6760ca83980ea5b6b6a762
PDF
Publication page535cc2929d5e6331279315c26fe4341715459159ddd83f6cc4005201efd58bfb
Manifest793f2fb91c216264cd23eca00ec3c9e77ceb6661e089e0f49d3fe9c62295e975

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
SignatureA+nOq6IGpXauP5QoirVjcFH+jA4tYV/O0l7yVjGUnlFYcsRRsnvt+hkTGi+r0dqjMgnGpxYO4ZNvgkl7Wt1KDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:40.265126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067463
observed 535cc2929d5e6331279315c26fe43417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.245911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067463/manifest.json
observed 793f2fb91c216264cd23eca00ec3c9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.228336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067463/publication.md
observed 30544e1feb8a944e0086a4cade4bda48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.190813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067463/publication.txt
observed 8b39eb98aee07ce5e179f1c911c52e89...
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.