Pith Number

pith:LO2I2VPE

pith:2018:LO2I2VPEZ2MUJTXZUFPJCBEH5Z

not attested not anchored not stored refs pending

Sub-voxel perfusion modeling in terms of coupled 3d-1d problem

Karl Erik Holter, Kent-Andr\'e Mardal, Miroslav Kuchta

arxiv:1803.04896 v1 · 2018-03-13 · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LO2I2VPEZ2MUJTXZUFPJCBEH5Z}

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	2026-05-18T00:21:15.501227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bb48d55e4ce9944cef9a15e910487ee40f9ec1d44573da73bb1bdfbd42ba637

Aliases

arxiv: 1803.04896 · arxiv_version: 1803.04896v1 · doi: 10.48550/arxiv.1803.04896 · pith_short_12: LO2I2VPEZ2MU · pith_short_16: LO2I2VPEZ2MUJTXZ · pith_short_8: LO2I2VPE

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/LO2I2VPEZ2MUJTXZUFPJCBEH5Z \
  | 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: 5bb48d55e4ce9944cef9a15e910487ee40f9ec1d44573da73bb1bdfbd42ba637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65fad16e246b14b7349dd042cde72845c6f367cbfa515664d33a155a8550e189",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-13T15:50:30Z",
    "title_canon_sha256": "a87479461b10d350857e4c2254360ffefc7538a8475a20a479d7664290699016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04896",
    "kind": "arxiv",
    "version": 1
  }
}