OpenTechnical

OT-2026-000046372

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000046372) never changes.

Identity and time

Publication numberOT-2026-000046372 · never reused
Internal UUID01a0ae7e-57cc-7942-b02b-c269c3cfb96c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046372
StatusPUBLIC

Content hashes

Canonical textddc353c55a69b735a6f73eae86d859e334aee5e182b01827b37f8e4d9df9e87c
Markdown6bcc102369713b33b543370ca383f56587240c764e8a4b36b843ae0fd25b59ea
PDF
Publication pagec0245c02a1075a66732e5936612aa35a7fef672876d15c4fd6a70a3b596d13bb
Manifest6032f3a5c404b2d2ef1820671da3ead14d3b12fb780e912b52e3ef54a039d333

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
SignaturePTSLRIzUppjh+F9KKZJzGXhdKAVF9B/uoEZFyqzNBvjYVd+kfeY3DZxYR78WtgXdMOawB4I/8dFVkazMwvjFCw==
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

2026-09-17T11:08:22.322837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046372
observed c0245c02a1075a66732e5936612aa35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.306433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046372/manifest.json
observed 6032f3a5c404b2d2ef1820671da3ead1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.289434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046372/publication.md
observed 6bcc102369713b33b543370ca383f565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:22.271503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046372/publication.txt
observed ddc353c55a69b735a6f73eae86d859e3...
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.