OpenTechnical

OT-2026-000025549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025549) never changes.

Identity and time

Publication numberOT-2026-000025549 · never reused
Internal UUID01a0ae71-5fa8-7091-98c7-f99d053e8051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025549
StatusPUBLIC

Content hashes

Canonical text6302638e00452104e3f01a39a995343ea195e786f7fda97c556a88bf891302f8
Markdowne02b92dca8d75529eda475141fca6787debabcfe132027971b8c9deb74aa0f11
PDF
Publication page89643273b8ff18ee784fde247ffbcac4cb3a698a1999a77069b2b8e0e9d5d6f4
Manifest49e34ff1f10d241c970eb0377ad5eeeaeb0710ba2457f9c7d7930c9f911608d6

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
SignaturefxvV5BFBDarwl+2YSQZU3dWRUN006+gghQWsKX3jh8WmhOmF1C9MlgO7JRBUGn1Q+w3HRXfVtF7dH4V7RYdaCw==
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

2026-09-17T11:47:40.306779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025549
observed 89643273b8ff18ee784fde247ffbcac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.290177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025549/manifest.json
observed 49e34ff1f10d241c970eb0377ad5eeea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.271960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025549/publication.md
observed e02b92dca8d75529eda475141fca6787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.252466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025549/publication.txt
observed 6302638e00452104e3f01a39a995343e...
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.