OpenTechnical

OT-2026-000029086

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000029086) never changes.

Identity and time

Publication numberOT-2026-000029086 · never reused
Internal UUID01a0ae73-2a9f-769c-8050-e588c286d559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029086
StatusPUBLIC

Content hashes

Canonical text1844cd870538c1943ef191910b625a2165572e14ab132f4fb3fd7df880807499
Markdown0ae13b289b7e1fe503426221f592dc59440898d5876fd4f9913925e83099b877
PDF
Publication page1baa101e8a739db14ce61df628e256734af4486d830b390a25fa7723d29c49f9
Manifest40c6de4bfed5823c0e1c99813569ce33c64b2cf4445ca0b73deeb45f99e96654

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
SignaturezNPqpnNWHE2uT78sctwqaPmj066Sm8P5xs3k2MFZU+eT4nyF1d7vGhDOG4eHiXuST+mw4u6nEIL9NDBK9/o8Dw==
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

2026-09-17T08:20:48.278966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029086
observed 1baa101e8a739db14ce61df628e25673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.261876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029086/manifest.json
observed 40c6de4bfed5823c0e1c99813569ce33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.243104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029086/publication.md
observed 0ae13b289b7e1fe503426221f592dc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.222366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029086/publication.txt
observed 1844cd870538c1943ef191910b625a21...
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.