Pith Number

pith:PUBDAQ4U

pith:2012:PUBDAQ4UY7Y3GCQWLSZL5WL5UD

not attested not anchored not stored refs pending

Four-dimensional Cone Beam CT Reconstruction and Enhancement using a Temporal Non-Local Means Method

Jan-Jakob Sonke, Steve B. Jiang, Xun Jia, Yifei Lou, Zhen Tian

arxiv:1201.2450 v1 · 2012-01-12 · 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{PUBDAQ4UY7Y3GCQWLSZL5WL5UD}

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	2026-05-18T01:58:52.429336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d02304394c7f1b30a165cb2bed97da0d93cd20a4482c7c2af26fd5c9563b477

Aliases

arxiv: 1201.2450 · arxiv_version: 1201.2450v1 · doi: 10.48550/arxiv.1201.2450 · pith_short_12: PUBDAQ4UY7Y3 · pith_short_16: PUBDAQ4UY7Y3GCQW · pith_short_8: PUBDAQ4U

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/PUBDAQ4UY7Y3GCQWLSZL5WL5UD \
  | 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: 7d02304394c7f1b30a165cb2bed97da0d93cd20a4482c7c2af26fd5c9563b477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662bbad8c151ab31e99427016b7d4cf92452924c2d026be037eb03b9be7bb802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2012-01-12T00:25:00Z",
    "title_canon_sha256": "bd728557655537847b6beafbb7ef7741e7d299b236383171eaa961808bf57228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2450",
    "kind": "arxiv",
    "version": 1
  }
}