Pith Number

pith:6PIDDGSD

pith:2025:6PIDDGSDYGP64DPOLSIJBJV34B

not attested not anchored not stored refs pending

Exogeneous PpIX model for brain tumour assessment

Arman Ahnood, Bobbi Fleiss, Jean Pierre Ndabakuranye, John Raschke

arxiv:2507.10230 v2 · 2025-07-14 · physics.bio-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PIDDGSDYGP64DPOLSIJBJV34B}

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	2026-07-05T11:48:27.223090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d0319a43c19fee0dee5c9090a6bbe077fc29a027125e67b45312f8c4b4308d

Aliases

arxiv: 2507.10230 · arxiv_version: 2507.10230v2 · doi: 10.48550/arxiv.2507.10230 · pith_short_12: 6PIDDGSDYGP6 · pith_short_16: 6PIDDGSDYGP64DPO · pith_short_8: 6PIDDGSD

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/6PIDDGSDYGP64DPOLSIJBJV34B \
  | 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: f3d0319a43c19fee0dee5c9090a6bbe077fc29a027125e67b45312f8c4b4308d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7a8d6f1a851fdd6abf263ca48ea799d7bc4fdfb00b1c8277d6f9f368712729",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2025-07-14T12:51:10Z",
    "title_canon_sha256": "8e1d44cd99c28c0b4b7a60cfb207148de0553cc0e88d21960c6b11057c124980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10230",
    "kind": "arxiv",
    "version": 2
  }
}