Pith Number

pith:LS4V4UIU

pith:2020:LS4V4UIUM2DSVIAUQZUOD5X62H

not attested not anchored not stored refs pending

Model order reduction of flow based on a modular geometrical approximation of blood vessels

Alison Marsden, Luca Pegolotti, Martin Pfaller, Simone Deparis

arxiv:2010.00285 v1 · 2020-10-01 · math.NA · cs.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{LS4V4UIUM2DSVIAUQZUOD5X62H}

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	2026-07-05T02:29:32.617382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cb95e511466872aa0148668e1f6fed1df72b8f3d7b3c1a110de82102a25991b

Aliases

arxiv: 2010.00285 · arxiv_version: 2010.00285v1 · doi: 10.48550/arxiv.2010.00285 · pith_short_12: LS4V4UIUM2DS · pith_short_16: LS4V4UIUM2DSVIAU · pith_short_8: LS4V4UIU

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/LS4V4UIUM2DSVIAUQZUOD5X62H \
  | 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: 5cb95e511466872aa0148668e1f6fed1df72b8f3d7b3c1a110de82102a25991b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c2fea3074dec1042af07169e446f2fb5a3b0015016ec9692c2bec083457b3b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-10-01T10:23:34Z",
    "title_canon_sha256": "12246e81ed7a71acd03e0c27f5a36c087f23bca2b4162937ee3f90f1476933dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00285",
    "kind": "arxiv",
    "version": 1
  }
}