OpenTechnical

OT-2026-000022165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000022165) never changes.

Identity and time

Publication numberOT-2026-000022165 · never reused
Internal UUID01a0ae6f-f4fb-791a-9406-e3b30aa78607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022165
StatusPUBLIC

Content hashes

Canonical textfddecb12630062118c2aac549212a0fcd8a7568b92bc408e2c4e68c5c96ff7c3
Markdown618d3440be51572cad3349a9e01a44b12029322dd77255d6af2c0055e283a616
PDF
Publication page8e91fb30b6e624316bf42de19d722a89947b11a5243ae84c862603d173eada0e
Manifestdfcca297e3bc04e862b8f284f4a8273d86580cba19a6448398fe1d98fb7fdd36

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
SignatureYfomOiNWFtDQmXw/Czphd3cFER2Z4igQ/Q1gQyIGt0qaOR4m7sEAPHN/JaCUPv5HSFAcFQC11qyj2DGCKLRSAQ==
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

2026-09-17T11:52:50.710450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022165
observed 8e91fb30b6e624316bf42de19d722a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.693554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022165/manifest.json
observed dfcca297e3bc04e862b8f284f4a8273d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.674850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022165/publication.md
observed 618d3440be51572cad3349a9e01a44b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.653836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022165/publication.txt
observed fddecb12630062118c2aac549212a0fc...
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.