OpenTechnical

OT-2026-000032091

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000032091) never changes.

Identity and time

Publication numberOT-2026-000032091 · never reused
Internal UUID01a0ae74-bad3-70b9-9ba8-a907a7fec7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032091
StatusPUBLIC

Content hashes

Canonical textabb785694eee1796f953c2c47ef7d1959c6edd3a108a6e4ce203d061b8298674
Markdown12abc8db92b09e3e864ab6158c0e729a70c58309d02fb1e6509646bb3d192ce2
PDF
Publication page5dc94c0829aa800d76998f01363cd32fd3fc40dc76032eaa8c0f29597d8c1826
Manifest955dad6c080af6fe0a3439a7f4426e5b77307bb062c1517a088d7d2394a3a907

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
SignaturedLtTYG4bI4UScIiEKOyizhkrmhe+ZopkwEzRk9whti4ACGxHl3/w4LidW+jJJ09t7p8+4zl7TEnjREeJqoYmDg==
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

2026-09-17T11:35:30.963554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032091
observed 5dc94c0829aa800d76998f01363cd32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.946532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032091/manifest.json
observed 955dad6c080af6fe0a3439a7f4426e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.930010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032091/publication.md
observed 12abc8db92b09e3e864ab6158c0e729a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.912885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032091/publication.txt
observed abb785694eee1796f953c2c47ef7d195...
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.