Pith Number

pith:R2N5SHYZ

pith:2015:R2N5SHYZ4V5OFE5SXF6A6M25EQ

not attested not anchored not stored refs pending

Fractal and multifractal analysis of PET-CT images of metastatic melanoma before and after treatment with ipilimumab

Antonia Dimitrakopoulou-Strauss, Astero Provata, Christina-Marina Breki, Christos Sachpekidis, Jessica Hassel, Leyun Pan, Theoharis Theoharis

arxiv:1601.00632 v1 · 2015-12-31 · 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{R2N5SHYZ4V5OFE5SXF6A6M25EQ}

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	2026-05-18T01:23:26.912998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e9bd91f19e57ae293b2b97c0f335d24005d4cab3c52dcff3387706948552fe8

Aliases

arxiv: 1601.00632 · arxiv_version: 1601.00632v1 · doi: 10.48550/arxiv.1601.00632 · pith_short_12: R2N5SHYZ4V5O · pith_short_16: R2N5SHYZ4V5OFE5S · pith_short_8: R2N5SHYZ

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/R2N5SHYZ4V5OFE5SXF6A6M25EQ \
  | 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: 8e9bd91f19e57ae293b2b97c0f335d24005d4cab3c52dcff3387706948552fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ec9922adc9539a8176d96fd98df59eecda2df621d6e1d84901a6f8a8c95270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-12-31T11:44:14Z",
    "title_canon_sha256": "b042263a12dc8716fa74f69e6154cfbdde4477dcc9aa53023a82a69e661bdf76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00632",
    "kind": "arxiv",
    "version": 1
  }
}