OpenTechnical

OT-2026-000022121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000022121) never changes.

Identity and time

Publication numberOT-2026-000022121 · never reused
Internal UUID01a0ae6f-f4fb-7040-964d-b0be8dbd50fd · 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-2026-000022121
StatusPUBLIC

Content hashes

Canonical text438dd193a96deacee748dcdceac7278b501061bfb13e6918582a5b3f3c38023b
Markdownf28522757e5937a7d28176ed1757909fd29655c7e97c1626b7a26d9b73b074f0
PDF
Publication pageed6a87155111a9199533b562b8835bac2d617655b663909459099d68ee58ed0f
Manifest9731c42af5763ddf812c43659bf6cd97bdd2c3ca881cbaad42462e187a6e1db7

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
Signature+pY6txgi+CnavrOEb74CwZE/EMLz4j2mP51D3DT6nJJr96n4yg/YDzv7Aiw3DXs5TwlkZ/IrjshUHOcaM5qVBQ==
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

2026-09-17T11:52:47.617166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022121
observed ed6a87155111a9199533b562b8835bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.600309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022121/manifest.json
observed 9731c42af5763ddf812c43659bf6cd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.583213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022121/publication.md
observed f28522757e5937a7d28176ed1757909f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.567284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022121/publication.txt
observed 438dd193a96deacee748dcdceac7278b...
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.