OpenTechnical

OT-2026-000100711

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000100711) never changes.

Identity and time

Publication numberOT-2026-000100711 · never reused
Internal UUID01a0aea3-66f4-7189-b74d-7a746ac0b833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100711
StatusPUBLIC

Content hashes

Canonical text5dee76e8020b05153aab833bf5fb460f47bea669dab8290f966769b2268afcd5
Markdown911f7da82d5a71d3e2cf9e5824daddfab3d5ea5da8c89f6848edcd70bfc61e65
PDF
Publication page85f7f061dd33d9b4508612bd57128ce86ac381c4cdab137e171f32e18d3e1b85
Manifestb0199fad23f59b245062cc09fb8ab7762c42e95d915e397b5a43bde877ae6f6d

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
SignatureYDLXgGe2a9pc3bv7DpOXF5+oVfpaKOcy68H5plEFLicecRbGiSeVaBRlRi+PzGLnbJsDB01wPiu3C6adHz5VDg==
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

2026-09-17T09:27:32.072373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100711
observed 85f7f061dd33d9b4508612bd57128ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.054200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100711/manifest.json
observed b0199fad23f59b245062cc09fb8ab776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.036435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100711/publication.md
observed 911f7da82d5a71d3e2cf9e5824daddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.015898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100711/publication.txt
observed 5dee76e8020b05153aab833bf5fb460f...
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.