OpenTechnical

OT-2026-000018331

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three 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-2026-000018331) never changes.

Identity and time

Publication numberOT-2026-000018331 · never reused
Internal UUID01a0ae6e-b489-74a4-85a7-59dac4afc914 · 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-2026-000018331
StatusPUBLIC

Content hashes

Canonical text465490788c11066c563b8cff950c045b48e07c5f62dc2626d930941f733c95b6
Markdownbd1bc742eea598136b72421c1fa80ea2fd2a2d1dcc59411fd697862d6cce0527
PDF
Publication pageee76a998b668b62b310774359cb1d689ffbddf1ed385f6e155c2b8b2f4a1c198
Manifest179f57abbe96f596ee0610f845dbcff9c220e63801d76766513bccfa646c2de4

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
SignatureISNcwh7kFSh0RllydRW7mrcc1OJFHSRiTtz/XKhaawXsPPHQ0NA4fYL5HLUvgpl42SS+TNgP7It50dSwwcmkCg==
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

2026-09-17T12:01:04.060861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018331
observed ee76a998b668b62b310774359cb1d689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.045123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018331/manifest.json
observed 179f57abbe96f596ee0610f845dbcff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.027101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018331/publication.md
observed bd1bc742eea598136b72421c1fa80ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.010128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018331/publication.txt
observed 465490788c11066c563b8cff950c045b...
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.