OpenTechnical

OT-2026-000032016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000032016) never changes.

Identity and time

Publication numberOT-2026-000032016 · never reused
Internal UUID01a0ae74-bad3-79c5-b266-7bd160d8328b · 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-2026-000032016
StatusPUBLIC

Content hashes

Canonical textbb7fbb69a7ccc44b2d4c3e7cb8c98fded94a57bd16a5803d386ad15d736106ee
Markdown584b5ad553aeafcc960994c06aa3fba8e11e74698f5d3a90d29f753fed2190ac
PDF
Publication page75f129c67792ca01d887bf45aa585ca148c60add53c50404be54d5b81f2720af
Manifestf6ccecbb17b2bc1b1a544c9ba58283cd67ca3efa15dae87f370f83afa38cc957

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
SignatureI4vfWzpmC5ddBrivkVg9m6gF/L62jI0NZr+ohGf5LEAEFqu8uQoJ+1BNkEUk16DEpFywN4jeY1F0bb3dArwpCw==
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

2026-09-17T11:35:25.312937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032016
observed 75f129c67792ca01d887bf45aa585ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.291130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032016/manifest.json
observed f6ccecbb17b2bc1b1a544c9ba58283cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.269639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032016/publication.md
observed 584b5ad553aeafcc960994c06aa3fba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.247914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032016/publication.txt
observed bb7fbb69a7ccc44b2d4c3e7cb8c98fde...
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.