OpenTechnical

OT-2026-000018403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000018403) never changes.

Identity and time

Publication numberOT-2026-000018403 · never reused
Internal UUID01a0ae6e-b489-7ee7-a37e-8c0353bdbf64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018403
StatusPUBLIC

Content hashes

Canonical textdf7a50f70952bc8e39f4c1b34571a726dbcaeb0ee72e6c2eb90a7b882c24f0bb
Markdown50740053b1a7fe5e606815e8d18edf79ecaf86a9a32bacb14e0eec4658ed264c
PDF
Publication pagee28c0e424d5c95578fbc434da66adf65cc57be231e5f711bdde9d2ebe1f8ac5f
Manifest95f7148bf18266584cdf6f205085a84ff0d05ba42990be404565af0b870d48d2

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
SignatureI9+7oafV7VZrsrvV8aV3BCGC7om5xifI5ZC1IC8tgRPQ/WO0bXls5USSGweR1exvfbKS7O/is+OjrTt2/s7IAQ==
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

2026-09-17T12:01:08.771024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018403
observed e28c0e424d5c95578fbc434da66adf65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.753771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018403/manifest.json
observed 95f7148bf18266584cdf6f205085a84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.735294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018403/publication.md
observed 50740053b1a7fe5e606815e8d18edf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.716160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018403/publication.txt
observed df7a50f70952bc8e39f4c1b34571a726...
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.