Pith Number

pith:J2BQUXML

pith:2015:J2BQUXMLJDZIX6FU3A7GDLKL2O

not attested not anchored not stored refs pending

A shallow water with variable pressure model for blood flow simulation

Arthur Ghigo (IJLRA), Jose-Maria Fullana (IJLRA), Olivier Delestre (JAD), Pierre-Yves Lagr\'ee (IJLRA)

arxiv:1509.01917 v2 · 2015-09-07 · 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{J2BQUXMLJDZIX6FU3A7GDLKL2O}

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	2026-05-18T01:33:15.071044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e830a5d8b48f28bf8b4d83e61ad4bd3bb469ecc45835be7fe8d0e750438e2d7

Aliases

arxiv: 1509.01917 · arxiv_version: 1509.01917v2 · doi: 10.48550/arxiv.1509.01917 · pith_short_12: J2BQUXMLJDZI · pith_short_16: J2BQUXMLJDZIX6FU · pith_short_8: J2BQUXML

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/J2BQUXMLJDZIX6FU3A7GDLKL2O \
  | 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: 4e830a5d8b48f28bf8b4d83e61ad4bd3bb469ecc45835be7fe8d0e750438e2d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf386bf2d10d2774ba63966b4eaadadfca3200852fa08c1bf8ee849d76ab7b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-07T06:27:23Z",
    "title_canon_sha256": "b507719a02d32f6e67cd1ecc299eede9095f37f7b062a3772b28d3653f169eb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01917",
    "kind": "arxiv",
    "version": 2
  }
}