OpenTechnical

OT-2026-000049031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000049031) never changes.

Identity and time

Publication numberOT-2026-000049031 · never reused
Internal UUID01a0ae81-134d-716e-83c8-df0d0186d9f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049031
StatusPUBLIC

Content hashes

Canonical text0cf01249bebbefe1951567b435ac573175448ba27a345fb1268d93caa4983897
Markdowncedc380316040bd77ac9407cf07c244aab8efcdf3fa3e9a92d6835eac0c82f61
PDF
Publication pageaaca1795c03b2d67214109c2cc420902424e8ddfffae83341ab7eb6b7523c349
Manifest405a0b810f5c5de858219047950248efd3ef0d1312a52e1d1f00c655f60f66da

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
Signature/PKye3DPeP+dibh3iEpDxd4RkK8Vjq6WqgozZh+uEPe4UD4nAOUyk5mO5OFvNm/1FKIZ+xS+6HVVVj/iganfBw==
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

2026-09-17T11:03:15.114735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049031
observed aaca1795c03b2d67214109c2cc420902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.096694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049031/manifest.json
observed 405a0b810f5c5de858219047950248ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.079725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049031/publication.md
observed cedc380316040bd77ac9407cf07c244a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.060182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049031/publication.txt
observed 0cf01249bebbefe1951567b435ac5731...
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.