OpenTechnical

OT-2026-000044641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044641) never changes.

Identity and time

Publication numberOT-2026-000044641 · never reused
Internal UUID01a0ae7c-39da-7cca-9a8f-9cec0b8386c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044641
StatusPUBLIC

Content hashes

Canonical textcb92ab6e50cc73f29062267566dd81fd52e2c12f6e5a4476d28d82500cb00143
Markdown1f5239739542a9869bbe8cb671565f6420a29da229a6fa278e1efe5144d86928
PDF
Publication page3030099c498882e5ee9a5c1471c236653fdea6739df6c8e98703610db941c449
Manifestdda0f1148ee782311362acbfc1e86fa588d698957683730d81f94dad938c8cf7

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
Signature/rSqfM8ylr0/jSUS72h5fw99+FIPGA7JZcSJyRhkZb9/LRt+X8PtupEwR4QgffU4IdYkDhaHzijc5Cc0o0uOBA==
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

2026-09-17T11:11:53.047708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044641
observed 3030099c498882e5ee9a5c1471c23665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.029794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044641/manifest.json
observed dda0f1148ee782311362acbfc1e86fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.011688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044641/publication.md
observed 1f5239739542a9869bbe8cb671565f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.994866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044641/publication.txt
observed cb92ab6e50cc73f29062267566dd81fd...
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.