OpenTechnical

OT-2026-000012609

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012609) never changes.

Identity and time

Publication numberOT-2026-000012609 · never reused
Internal UUID01a0ae6d-5561-7e70-b90d-c28384ee1eee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012609
StatusPUBLIC

Content hashes

Canonical text6a5ec304e89784cb7d50e8f0502d2b2c4c999b4f6e8075b3cf3bd0acf45d53d8
Markdown3ef2c45ed4d124da03d536688b612ea053f8abd89d6d1dc83e2ff307387f0037
PDF
Publication page8f8ecdf7c30295d23bf3fee8c7e0f3ffbb5a6e26eacc840d19320563da35e180
Manifest03baffb4a33811a593b29f4dc6d4e62d538da7b5ec6784743d8d494ffd452106

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
SignaturesQ+IZNZCt02CJBs2FGkvQxIWfwKpyFMswfh67GHmBLKkCTf3JSHKpKMQ4GKdFJELGTUSmR7K2JKuD6iZqgP4Dw==
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

2026-09-17T12:10:12.311676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012609
observed 8f8ecdf7c30295d23bf3fee8c7e0f3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.292768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012609/manifest.json
observed 03baffb4a33811a593b29f4dc6d4e62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.271114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012609/publication.md
observed 3ef2c45ed4d124da03d536688b612ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.251111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012609/publication.txt
observed 6a5ec304e89784cb7d50e8f0502d2b2c...
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.