OpenTechnical

OT-2026-000040357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000040357) never changes.

Identity and time

Publication numberOT-2026-000040357 · never reused
Internal UUID01a0ae79-2700-7eb5-ac51-a51810c88a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040357
StatusPUBLIC

Content hashes

Canonical text65b6d1815c531cf537154a22a8f848e02c59f39ea9b3ece6451fb4df84b2bf67
Markdown6b966ed0f3d3904a4e863fc3c9a930e77eb80de1338ad8c5918197039bd6d029
PDF
Publication page545f24935ce35ef2f9599a99bc167d73f1930b71c54823a36196b67abf196955
Manifestabd08235357c1906c2eba97e6a8fd7bc21d1bfbb7cadde7a3c1d6589d9dc4b31

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
Signaturey1oaniZ/iVlvz73X68W+g24iu/rZv/NKrap2V1jM+iU9YBidVY7Fdrxmr3MH4WyZOy/qn1zywHtgq9uPuNATAw==
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

2026-09-17T11:19:22.269997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040357
observed 545f24935ce35ef2f9599a99bc167d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.251316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040357/manifest.json
observed abd08235357c1906c2eba97e6a8fd7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.232329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040357/publication.md
observed 6b966ed0f3d3904a4e863fc3c9a930e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.214977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040357/publication.txt
observed 65b6d1815c531cf537154a22a8f848e0...
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.