OpenTechnical

OT-2026-000050415

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000050415) never changes.

Identity and time

Publication numberOT-2026-000050415 · never reused
Internal UUID01a0ae82-5c48-73b2-a5af-bbbf8e1cf876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050415
StatusPUBLIC

Content hashes

Canonical text6aa5c32053da875c16a881ceba18553c45c9b3a36ef75011f39efdc120fcc985
Markdownd41129b5056e66ca6b4e2e6635921813cd78c256a7c989719a261e768c8bfb6b
PDF
Publication pagecefe68c73e2c0ae3f717ba32c22de43cd8044c3b5f6a90e0dc79e4bfdc3ae9c0
Manifestee85c44d800eb2ad578dfd10180798cd17635449ac6be29f5af964b1fd3f2c86

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
SignaturerpwztDS0yeFNJknRP1JzwWMsFeKVSbuyQhZEc9rFhVhJV87jeao6Vdz+us1rUQNqtxeLkIqLxvCYTXFktvJgBg==
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

2026-09-17T11:01:27.585379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050415
observed cefe68c73e2c0ae3f717ba32c22de43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.568233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050415/manifest.json
observed ee85c44d800eb2ad578dfd10180798cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.529768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050415/publication.md
observed d41129b5056e66ca6b4e2e6635921813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.493355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050415/publication.txt
observed 6aa5c32053da875c16a881ceba18553c...
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.