OpenTechnical

OT-2026-000050619

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050619) never changes.

Identity and time

Publication numberOT-2026-000050619 · never reused
Internal UUID01a0ae82-5c4a-759d-81bc-2e5fc7b213cc · 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-2026-000050619
StatusPUBLIC

Content hashes

Canonical text99b4d73b9226cf2b025880b72cf20cd8c5889350c407998de3b7e632be46d07c
Markdownecd3171b4a3508ed8f208f752674fb5909b4edca4bf72a4cca644f26cf42af82
PDF
Publication page4666aa36f1166b04c9d6b6e1730988ca4fb51101a702f685ecc81acd1e73e496
Manifestd04f87d78132b56680832d117177d7dc0e7743244ff366ec7f7c22cf83491a9a

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
SignaturelnvYXstkelNrbK8A5Bx5fTaC/j7hR+IwJmU6J+ri8U/zUyK8Aq5nhvS0vV7pRzp89365SHy7fZK7fPNmXy0JAA==
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

2026-09-17T11:01:43.858395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050619
observed 4666aa36f1166b04c9d6b6e1730988ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.836447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050619/manifest.json
observed d04f87d78132b56680832d117177d7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.815285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050619/publication.md
observed ecd3171b4a3508ed8f208f752674fb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.793952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050619/publication.txt
observed 99b4d73b9226cf2b025880b72cf20cd8...
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.