OpenTechnical

OT-2026-000027711

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000027711) never changes.

Identity and time

Publication numberOT-2026-000027711 · never reused
Internal UUID01a0ae72-699a-7ee4-9150-d1732d4253f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027711
StatusPUBLIC

Content hashes

Canonical text37bde09ec9bcccf4f2b38255d3e590ed36b990a659c15e835aba31217bd96056
Markdownc6a769fa6988a44f1b9011271115c95eb6d117dcc53c941541d784e6b282fe95
PDF
Publication page5ff2bb866b2647a34038377c347c1e716db1f2e33a249d95fe250ed1545521b8
Manifest7e308da518842b083076a721a54358cbcd326d63f7082d22005633320d693489

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
SignatureTpHuRmtWbdNiBuYT0cN4FMR3posy7Rn3S/a1UfwAmh41o56WVvskURyEyyf2OxRhvGoU9eHHHxM7nhIVp2cfCQ==
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

2026-09-17T11:43:15.883892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027711
observed 5ff2bb866b2647a34038377c347c1e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.865910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027711/manifest.json
observed 7e308da518842b083076a721a54358cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.849708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027711/publication.md
observed c6a769fa6988a44f1b9011271115c95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.830848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027711/publication.txt
observed 37bde09ec9bcccf4f2b38255d3e590ed...
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.