Pith Number

pith:XYJR5RKD

pith:2017:XYJR5RKDMA5KSE33RXBSJBGGIZ

not attested not anchored not stored refs pending

A Real-time Image Reconstruction System for Particle Treatment Planning Using Proton Computed Tomography (pCT)

Caesar E. Ordo\~nez, George Coutrakon, Kirk Duffin, Mark Pankuch, Nicholas Karonis, Reinhard Schulte, Robert Johnson

arxiv:1707.05014 v1 · 2017-07-17 · physics.med-ph · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYJR5RKDMA5KSE33RXBSJBGGIZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:40:11.599712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be131ec543603aa9137b8dc32484c646486d634f411587340ac614c3cd85cf01

Aliases

arxiv: 1707.05014 · arxiv_version: 1707.05014v1 · doi: 10.48550/arxiv.1707.05014 · pith_short_12: XYJR5RKDMA5K · pith_short_16: XYJR5RKDMA5KSE33 · pith_short_8: XYJR5RKD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XYJR5RKDMA5KSE33RXBSJBGGIZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: be131ec543603aa9137b8dc32484c646486d634f411587340ac614c3cd85cf01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6320879e8ca7ce3d1cfb761b0ca5642bebffc3f6bfb984196345e95a708a303",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-07-17T06:55:22Z",
    "title_canon_sha256": "b4c57e9a9785898483083e657aa154aafa837b8860ad0e21f41ffee8f03f9c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05014",
    "kind": "arxiv",
    "version": 1
  }
}