OpenTechnical

OT-2026-000095472

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095472) never changes.

Identity and time

Publication numberOT-2026-000095472 · never reused
Internal UUID01a0ae9f-8f73-7046-a91d-0ab8faabc501 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095472
StatusPUBLIC

Content hashes

Canonical texta746e54da5fa56c659e9015d8e81a152edeb9d4bd4b25e1158fcd86e56180334
Markdown8bc9b2a5a43017342c2c8810419cd003f843c986f7c6faff7ed417b0b33e8aee
PDF
Publication page2e373ed80664f090df5435f243f2755960be10b1415f81872b76d42538fed8e8
Manifest5e1d3c47005227e595fd82a02f07c55dace28b0bb081a3134a4c591981501e56

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
SignaturegSvhCwY92poheQbsPv27XtXSy3Umc1dAAw0CmF2Yu8KUUr0bgs1h/+CjKT7roRnsk6Zdlr4piBdAxEYx+y3tAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:51.052413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095472
observed 2e373ed80664f090df5435f243f27559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.035116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095472/manifest.json
observed 5e1d3c47005227e595fd82a02f07c55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.016962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095472/publication.md
observed 8bc9b2a5a43017342c2c8810419cd003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.998054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095472/publication.txt
observed a746e54da5fa56c659e9015d8e81a152...
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.