OpenTechnical

OT-2026-000039871

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039871) never changes.

Identity and time

Publication numberOT-2026-000039871 · never reused
Internal UUID01a0ae78-d8d6-7047-aaca-c6f8788c099f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039871
StatusPUBLIC

Content hashes

Canonical texta2fca316f0ce772bcec51dccb6baa32fb1bfa40528d30a224f20ccdea3c54b3b
Markdown6bb97e78a0fb32a01412a8ef36eb10386b13256e6f831b5abd3bccbe93de1764
PDF
Publication pagecef6a279361c40052ab254342e27f87e6ae997b210b380b12adc6b375f560de7
Manifestbf8775193cefb3012a6c8dc5e9c2818644e587ae6ce4f37c3ce7efbfef4e4d19

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
Signaturel8ARE0YEd9M05tgjGoIwZ1Q8C9hdMsVppt52198qNznhvwZeD2syRsipRzML3UuvNTNVDmpIQg8k1Xwtv209BA==
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

2026-09-17T11:20:09.186365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039871
observed cef6a279361c40052ab254342e27f87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.166754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039871/manifest.json
observed bf8775193cefb3012a6c8dc5e9c28186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.147416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039871/publication.md
observed 6bb97e78a0fb32a01412a8ef36eb1038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.127918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039871/publication.txt
observed a2fca316f0ce772bcec51dccb6baa32f...
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.