OpenTechnical

OT-2026-000099697

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000099697) never changes.

Identity and time

Publication numberOT-2026-000099697 · never reused
Internal UUID01a0aea2-c976-7dc9-8142-8cdf874bfd60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099697
StatusPUBLIC

Content hashes

Canonical texteafbbd7f28d3fffe261142d84f3ce2ab6fc1ba03301b2179a28fc1836cbc9762
Markdown7ccf9354c64cec253382ea5afd0f7054e8f6abb2ef63bc05183206d4b3f9ba31
PDF
Publication pagedc6ccc37e01f499a55eb9be5a77a8f1a34fba357b650fe9b13f1b1f4fdf3ac7f
Manifest1e15993a8c9186d748cfcec58e07c92ae3ff395b8fd66e2fc5e52b133c4b2030

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
SignatureuhNeeY411+qrARoyzsnLIHUje0AexDkdZ7Wibw85Zih3WLQbSk+wv7V7X6tgXoYm75Qt+6iYnrXDUp9PKhtVAQ==
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

2026-09-17T09:29:42.567708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099697
observed dc6ccc37e01f499a55eb9be5a77a8f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.548534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099697/manifest.json
observed 1e15993a8c9186d748cfcec58e07c92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.530116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099697/publication.md
observed 7ccf9354c64cec253382ea5afd0f7054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.511596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099697/publication.txt
observed eafbbd7f28d3fffe261142d84f3ce2ab...
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.