OpenTechnical

OT-2026-000015155

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000015155) never changes.

Identity and time

Publication numberOT-2026-000015155 · never reused
Internal UUID01a0ae6d-ef47-7e4a-bb1c-b969c7a4f172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015155
StatusPUBLIC

Content hashes

Canonical text0e82e5e320b5ebe3044b373e8662f603dd015776d80ee7a7bc283d2bd2e378b9
Markdownc2ae690071138e5b42ef487df5d572d375b7bbbddcf6219c3b620c6b9df9bf19
PDF
Publication pagea75bd6e7823f0dd657b375ff9744c75275deb30ec429ac209a6f7619dedfaf88
Manifestd86d5d34f5cb7c1d69766f8f492b0eb9594778411736a6c79a61df3adf323cbb

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
SignaturesReWnSQ8MOotpz6C8dmaPKWJmRi1q6JDZ/nbd0zSa++OVf+yn7y97h0xAKMJy9tXupDgbWqVRUXX0lPwhOIMBQ==
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

2026-09-17T12:05:45.943651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015155
observed a75bd6e7823f0dd657b375ff9744c752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.925910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015155/manifest.json
observed d86d5d34f5cb7c1d69766f8f492b0eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.907236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015155/publication.md
observed c2ae690071138e5b42ef487df5d572d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.888755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015155/publication.txt
observed 0e82e5e320b5ebe3044b373e8662f603...
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.