OpenTechnical

OT-2026-000045127

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000045127) never changes.

Identity and time

Publication numberOT-2026-000045127 · never reused
Internal UUID01a0ae7c-f768-7386-bf7e-9ba706391634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045127
StatusPUBLIC

Content hashes

Canonical text918437732ba13f46587116be7ed819f19a6d11e0985d09aef60cff5ea9619de4
Markdown60bfe43c1684df2cccc1235320b6ccae144ce5e26ea8a0478d18e77b6a1ff445
PDF
Publication page574e3b70b8654dfe4611f008884c4f5c4f7280a5458c1d5b78ca671392f1a50a
Manifest6a38189fb931248fc05281a7d7d28a864f541e27250c6290e4d4b70a2003aacb

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
Signatureu3jD+WaYNnOo8vMbPqnaOr0Nk9Oqfbeaw+7MmQhYo6ybep5PmSPRH9wLTIBlt4YsYOGC2B8HL+RYTl4wjZsoBg==
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

2026-09-17T11:10:16.439764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045127
observed 574e3b70b8654dfe4611f008884c4f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.422874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045127/manifest.json
observed 6a38189fb931248fc05281a7d7d28a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.407246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045127/publication.md
observed 60bfe43c1684df2cccc1235320b6ccae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.391520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045127/publication.txt
observed 918437732ba13f46587116be7ed819f1...
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.