OpenTechnical

OT-2026-000026625

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026625) never changes.

Identity and time

Publication numberOT-2026-000026625 · never reused
Internal UUID01a0ae71-f4aa-7429-b428-7883aa573098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026625
StatusPUBLIC

Content hashes

Canonical text6d3418965bab8dbae2eeae69cad3357d47fcf1b1b8f62a1584495ae1e773593d
Markdown43a4be3bef751453ddf7559db5a9fc5002fad4d558a39b068c509d3eb84169ad
PDF
Publication pagefe3d874787819b885ec01d1615e6cdda5c055dc203386aa38987e1f82ae097aa
Manifest3f8ff47e5354f64838e4a168c655d526ec682fb7a635686445ce0baa09c5b5fc

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
SignatureO4zdKcwr9dytBf7P9wke0HgykjBRfjhrOo/FENnCnyvjB1NBbe9AXGt8V7Rm2bLmDHmxzRW944sR5e93weN1Cw==
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

2026-09-17T11:45:42.031146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026625
observed fe3d874787819b885ec01d1615e6cdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.010715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026625/manifest.json
observed 3f8ff47e5354f64838e4a168c655d526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.989208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026625/publication.md
observed 43a4be3bef751453ddf7559db5a9fc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.968999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026625/publication.txt
observed 6d3418965bab8dbae2eeae69cad3357d...
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.