Pith Number

pith:M7TYZ6RU

pith:2018:M7TYZ6RUKDFD5QNDEADFCO6D72

not attested not anchored not stored refs pending

Multi-materials beam hardening artifacts correction for computed tomography (CT) based on X-ray spectrum estimation

Dengwang Li, Hao Peng, Kai Niu, Tianye Niu, Wei Zhao, Wenjian Qin

arxiv:1812.02365 v1 · 2018-12-06 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7TYZ6RUKDFD5QNDEADFCO6D72}

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	2026-05-17T23:58:56.499180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e78cfa3450ca3ec1a32006513bc3fe8a42fe041705054e84e17c2a7bfc62ce

Aliases

arxiv: 1812.02365 · arxiv_version: 1812.02365v1 · doi: 10.48550/arxiv.1812.02365 · pith_short_12: M7TYZ6RUKDFD · pith_short_16: M7TYZ6RUKDFD5QND · pith_short_8: M7TYZ6RU

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/M7TYZ6RUKDFD5QNDEADFCO6D72 \
  | 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: 67e78cfa3450ca3ec1a32006513bc3fe8a42fe041705054e84e17c2a7bfc62ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7fb0b3c46eeeabc96964e26aab9fb6849580b0e4a3254c59b3d41feb43fce1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-12-06T06:15:50Z",
    "title_canon_sha256": "cd72dc48295a6ca5028f64ff69096d55636cf4b1a86d29d262f546b5027d7c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02365",
    "kind": "arxiv",
    "version": 1
  }
}