OpenTechnical

OT-2026-000051618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000051618) never changes.

Identity and time

Publication numberOT-2026-000051618 · never reused
Internal UUID01a0ae83-7c81-7633-b04e-1d050f14f40f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051618
StatusPUBLIC

Content hashes

Canonical text2cd4039868bda8820cad114c1c124d3c6fdf7e1d1a891381bc6b9d8ff16fc5d2
Markdownca1d7d815bc540e68f2cdc5676b84bbc26f0021fcc0f130da26e26d4ee195c5e
PDF
Publication page7e9575cf25282bbc946afd894be4cdf2e097e9f43060c5f2fe1902c24e4133e9
Manifest00fb14dfcf2c0d06dced4d8de6ab2c42e418c6dd8021f602c863420bf3301eed

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
Signature8jBrjV9YKK5XWR3uybsV0iCCg+tORlFIL/K7usC5Wwy71YoBM8toa/uEnDoPDCv8dIlI/UoJTO98A7Z4ORuvCg==
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

2026-09-17T10:58:28.426752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051618
observed 7e9575cf25282bbc946afd894be4cdf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.411421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051618/manifest.json
observed 00fb14dfcf2c0d06dced4d8de6ab2c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.394549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051618/publication.md
observed ca1d7d815bc540e68f2cdc5676b84bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.378282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051618/publication.txt
observed 2cd4039868bda8820cad114c1c124d3c...
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.