OpenTechnical

OT-2026-000093229

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000093229) never changes.

Identity and time

Publication numberOT-2026-000093229 · never reused
Internal UUID01a0ae9e-0911-7d92-875b-dca3ca93108e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093229
StatusPUBLIC

Content hashes

Canonical textd6af322398c314a8339a85f73c6e9cccf63ba22aafd8907326352eaf6c6dc93b
Markdown744f9179cf22972d23c542540ce9d05f9adf1504177d9760b1852772eeed4d89
PDF
Publication pagee3fed56f840bd687a26a573c976ce5d69f999074228d5d4e1251bc579a43d49b
Manifest90c4d1f4ecbf057fee55d4d01b184bc3d70c3d7f4aef11b40291cd95dbbfba22

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
Signature60mEroy3YdkAkv878I4eZoKy9ZcrPIgANVvxU7qEF5k1C48QEYBS4YKx4vlI6iSJV8A/ERUVkOTvJlDMggCrCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:34.593614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093229
observed e3fed56f840bd687a26a573c976ce5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:34.576486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093229/manifest.json
observed 90c4d1f4ecbf057fee55d4d01b184bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:34.558125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093229/publication.md
observed 744f9179cf22972d23c542540ce9d05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:34.539827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093229/publication.txt
observed d6af322398c314a8339a85f73c6e9ccc...
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.