OpenTechnical

OT-2026-000062025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062025) never changes.

Identity and time

Publication numberOT-2026-000062025 · never reused
Internal UUID01a0ae8b-b8af-7af3-a662-1a62c70bbff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062025
StatusPUBLIC

Content hashes

Canonical texted53dcebb15f3600da4c2ebb214f8628e09b317016fa650dcb5ddb2f6c7fb9b1
Markdown836a7d67ed5b1ecc7283491d4d212d7b13b89f303e97b5a42037152d2f46779b
PDF
Publication paged40f6b8731e60fa8d1efb8f6fb5336d3d8f514d27351293fd042de36d9ea4e36
Manifest24a74084d5322129adf1d68768ed30dce0fed518abb284c0a75f30be504d97bb

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
SignatureI9EwGZ2+NNnM4lovRJF0BH8vp0WfJSCTXjNfygV5Dfs/hdPvjSCgkLIr5FuXjBUQTjTd+Vz/1Vht+P+FRO3kDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:03.534928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062025
observed d40f6b8731e60fa8d1efb8f6fb5336d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.516535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062025/manifest.json
observed 24a74084d5322129adf1d68768ed30dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.498687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062025/publication.md
observed 836a7d67ed5b1ecc7283491d4d212d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.479430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062025/publication.txt
observed ed53dcebb15f3600da4c2ebb214f8628...
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.