OpenTechnical

OT-2026-000035199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000035199) never changes.

Identity and time

Publication numberOT-2026-000035199 · never reused
Internal UUID01a0ae76-6a1e-7474-a9d0-c8e59d66dd70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035199
StatusPUBLIC

Content hashes

Canonical textcebd05130c6bac34f9e5fcd9d31f86908c6600956df2e480da7f1308857e2a25
Markdownad16a2045cbcea89d5fa58ae82b2fbd718bb5dec4f6bb98a8093df954a126190
PDF
Publication page8845dd38acb4fe2e44ce21a543f63b22c4cf1503dff3aa803c22976bfa775a91
Manifest3ec48b730a9b4c3660082204055503ac95ec1ddc9681478f61a4b093cf073466

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
Signaturev9m42AlYLhVn4G49TiDRGABu5//fUxJqvgnYquGF+IB166y75vBnhu2pPRqYZx4uJOKnvXj7Dxk0osIms/H3Cw==
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

2026-09-17T11:28:19.465225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035199
observed 8845dd38acb4fe2e44ce21a543f63b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:19.446498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035199/manifest.json
observed 3ec48b730a9b4c3660082204055503ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:19.430411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035199/publication.md
observed ad16a2045cbcea89d5fa58ae82b2fbd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:19.414079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035199/publication.txt
observed cebd05130c6bac34f9e5fcd9d31f8690...
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.