Pith Number

pith:B27WC563

pith:2018:B27WC563QMRUNIRSBV7DWFLWH7

not attested not anchored not stored refs pending

A comparison of two mathematical models of the cerebrospinal fluid dynamics

Donatella Donatelli, Licia Romagnoli, Pierangelo Marcati

arxiv:1801.04402 v2 · 2018-01-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B27WC563QMRUNIRSBV7DWFLWH7}

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	2026-05-18T00:01:30.232946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebf6177db832346a2320d7e3b15763ff3e2c3168dfa0c76aa04f1f8f8520eb0

Aliases

arxiv: 1801.04402 · arxiv_version: 1801.04402v2 · doi: 10.48550/arxiv.1801.04402 · pith_short_12: B27WC563QMRU · pith_short_16: B27WC563QMRUNIRS · pith_short_8: B27WC563

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/B27WC563QMRUNIRSBV7DWFLWH7 \
  | 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: 0ebf6177db832346a2320d7e3b15763ff3e2c3168dfa0c76aa04f1f8f8520eb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392e4e7f80d17bc7161e49591150fe030816e110644de8b92bae268ffb5898f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-13T09:17:30Z",
    "title_canon_sha256": "d781b72db9ce79f0cdfe6ceca1347667834000df65caba669c6958b3ea0709c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04402",
    "kind": "arxiv",
    "version": 2
  }
}