OpenTechnical

OT-2026-000017013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000017013) never changes.

Identity and time

Publication numberOT-2026-000017013 · never reused
Internal UUID01a0ae6e-591b-7061-8c95-7729a6187e5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017013
StatusPUBLIC

Content hashes

Canonical text8c4c087be28a77c6818e64bebb8f4c0f3f13ebceb652f442f0a85971d4bbe34a
Markdowneff43f89a3c834d81ebb4d64fc6e48acf06a3d01314030c54f0f52e55cb9e342
PDF
Publication pageedde3dcfb162ec64dfe49950b1d9f61d1fdb51d97daf2b6d768596dc2ddc8973
Manifest83a875dfa9468d2226c73ea8488f13c4d04180c3f2340b4dd52322c0acc08d2b

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
Signature0Rq7d0m4BmaGcy5/lLIZeNGVSdDYE/gzQGSeC0C6solHRWu4aTUBSm3KDU7bX+j1jB80dcwDLFjkcReuSOiRCw==
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

2026-09-17T12:03:25.277506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017013
observed edde3dcfb162ec64dfe49950b1d9f61d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.262379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017013/manifest.json
observed 83a875dfa9468d2226c73ea8488f13c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.244633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017013/publication.md
observed eff43f89a3c834d81ebb4d64fc6e48ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.230120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017013/publication.txt
observed 8c4c087be28a77c6818e64bebb8f4c0f...
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.