OpenTechnical

OT-2026-000022997

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000022997) never changes.

Identity and time

Publication numberOT-2026-000022997 · never reused
Internal UUID01a0ae70-46ec-7c4b-9ad0-9ac3631d26d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022997
StatusPUBLIC

Content hashes

Canonical textd4e6a93ce4acde6a660bf6ad5f584da7d6a1fd1d91c10f78ae6a91a440d7eeb2
Markdownf45dae4818e090e3759c7ef1e05b383cee17a28a1f45f3ff5f6ae97c3dde738b
PDF
Publication page8a47d989b71524f07a55d0a3cfca9e883e8157c27847ea95650d2e2354fc77ef
Manifest0d89eee6dca2659da75e28f3c5136cd33a5e407918a8e9fff05e4bc54adc4d3e

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
SignatureGz5B5qkXWXafTnuiTAskcdvX8tY1ApHlhgO6W3lzxAZZg5dTHj6c9dJRKmw/G1i8Obhe6KHEBYbxqX7SbjAYAA==
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

2026-09-17T11:52:35.412219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022997
observed 8a47d989b71524f07a55d0a3cfca9e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.394168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022997/manifest.json
observed 0d89eee6dca2659da75e28f3c5136cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.375827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022997/publication.md
observed f45dae4818e090e3759c7ef1e05b383c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.358563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022997/publication.txt
observed d4e6a93ce4acde6a660bf6ad5f584da7...
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.