OpenTechnical

OT-2026-000011750

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000011750) never changes.

Identity and time

Publication numberOT-2026-000011750 · never reused
Internal UUID01a0ae6d-1940-7c89-8045-99b7bc4200b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011750
StatusPUBLIC

Content hashes

Canonical text68a59dc3e58bebe76759e884cf37a670eea90ea41d8919719cc53ea3103e8df9
Markdowncbf6fcc5ed45177d60c8c11a20899c46f4d2640a0e2b696a4fba0140c5201714
PDF
Publication page76ddbb80ed7c6de1b5fb69a093013eb2d819f682ffd3493b21c9faa46b7ce715
Manifest318ed1f9cc5d18d93f3759e99ad62d738df61e902d4c588b97a454b757d7c676

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
SignatureLO6bpRORJmr/CTiVQ/gyJx0CT30VxoTFEbpzFVOVO6xzCi/udYfVh4fCploxL+RiYhBq+YngNL2qN7oy54pkBQ==
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

2026-09-17T12:12:27.434033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011750
observed 76ddbb80ed7c6de1b5fb69a093013eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.416270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011750/manifest.json
observed 318ed1f9cc5d18d93f3759e99ad62d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.397799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011750/publication.md
observed cbf6fcc5ed45177d60c8c11a20899c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.377729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011750/publication.txt
observed 68a59dc3e58bebe76759e884cf37a670...
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.