OpenTechnical

OT-2026-000027345

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027345) never changes.

Identity and time

Publication numberOT-2026-000027345 · never reused
Internal UUID01a0ae72-6997-7b3d-878a-d245653eaf39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027345
StatusPUBLIC

Content hashes

Canonical textc0ba3a4db54520c322796d6dfc8b11a8e43517446e8a55d4f560e3914c5db60c
Markdown2a4ff8bd6b2c43d72d761483cb6a995dbd3095ee2f0d9e99984d90ed81ea3d64
PDF
Publication page2a723075b05f3adc11bb84364a4bf61c1fef1a65ac2044fb35c82187c0ec3c35
Manifest91e3c3477754a92d582fbbbdabe079822a4835e6ea0418691777d00a6c2294f8

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
Signature9DVxFFDgJnIcWMpWMgJIiyTkoIxiCDsT9RpBkLNqtVx0ZxQrHVFH2CAxEUoGXGWpnm4O23Ply0G2V1qiJfRJAA==
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

2026-09-17T11:42:45.145083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027345
observed 2a723075b05f3adc11bb84364a4bf61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.125651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027345/manifest.json
observed 91e3c3477754a92d582fbbbdabe07982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.102333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027345/publication.md
observed 2a4ff8bd6b2c43d72d761483cb6a995d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.077283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027345/publication.txt
observed c0ba3a4db54520c322796d6dfc8b11a8...
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.