OpenTechnical

OT-2026-000025939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000025939) never changes.

Identity and time

Publication numberOT-2026-000025939 · never reused
Internal UUID01a0ae71-a83f-71d6-9dcd-59ceaea26a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025939
StatusPUBLIC

Content hashes

Canonical textd874b6afcd2e29b84997bbeb81309d8c870c7426f852324b614efc8d41e955c2
Markdown13bc2861b405bd4d7d2b45e364947b7c970209337363b809fca6f8c972b3eabc
PDF
Publication page209eb00cdcf838fb22aa69be71a53889dc87fdd9d00a0f365250c29b3380329a
Manifesta911212255cfaabcf34ba5261b8076a4b31b85ad5076f786ccb649578b7dc461

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
Signature0c8neAUT9ny9RSSC905rJT+awD/9iXPvVLHDAIC94E1hh/kGOxLkSDC8LdpeXa0AyTP9LC0HOL33Tdr+lXUdBw==
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

2026-09-17T11:46:18.190732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025939
observed 209eb00cdcf838fb22aa69be71a53889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.171601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025939/manifest.json
observed a911212255cfaabcf34ba5261b8076a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.153482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025939/publication.md
observed 13bc2861b405bd4d7d2b45e364947b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.135276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025939/publication.txt
observed d874b6afcd2e29b84997bbeb81309d8c...
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.