OpenTechnical

OT-2026-000049395

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000049395) never changes.

Identity and time

Publication numberOT-2026-000049395 · never reused
Internal UUID01a0ae81-8f7b-72d3-b711-cf5e5de8c0c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049395
StatusPUBLIC

Content hashes

Canonical texta6e173d2637fd64634cbd5d4bdb826bf537283729a6303d5d3af3a9298956d4b
Markdownad8c2dd4d6b1d15d74e77f701189d05a0efa849dc30e85d1698943b18e07b74c
PDF
Publication pagef3d94ff24cda45e4585fc68a9178b833b871fb7ddfad0c072f5bf6bc69702279
Manifest5a4ae74eb704258d4a1e4b2b852424470d0255dfd319de8602f45115e5389134

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
Signaturey8XaDB3tqwXUpZG3+q4QhTMpfHaQNrM8a6sKFwK3GSASzI7jBKTbkk4lu9WE7DgGQeZ3Ja/EIsAkyt0QIH3xCA==
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

2026-09-17T11:02:12.647037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049395
observed f3d94ff24cda45e4585fc68a9178b833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.630502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049395/manifest.json
observed 5a4ae74eb704258d4a1e4b2b85242447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.612670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049395/publication.md
observed ad8c2dd4d6b1d15d74e77f701189d05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.595703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049395/publication.txt
observed a6e173d2637fd64634cbd5d4bdb826bf...
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.