Pith Number

pith:L2JHWTQP

pith:2019:L2JHWTQPI6PNMYYF2RZRS2BYU7

not attested not anchored not stored refs pending

Error analysis of finite difference/collocation method for the nonlinear coupled parabolic free boundary problem modeling plaque growth in the artery

Farzaneh Nasresfahani, Mohammad Reza Eslahchi

arxiv:1907.04097 v1 · 2019-07-09 · 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{L2JHWTQPI6PNMYYF2RZRS2BYU7}

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	2026-05-17T23:41:03.333237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e927b4e0f479ed66305d473196838a7fcd0ded02083444da3ff63bdbe0fb3c4

Aliases

arxiv: 1907.04097 · arxiv_version: 1907.04097v1 · doi: 10.48550/arxiv.1907.04097 · pith_short_12: L2JHWTQPI6PN · pith_short_16: L2JHWTQPI6PNMYYF · pith_short_8: L2JHWTQP

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/L2JHWTQPI6PNMYYF2RZRS2BYU7 \
  | 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: 5e927b4e0f479ed66305d473196838a7fcd0ded02083444da3ff63bdbe0fb3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda94a32f046e5e2e3f10c91c7cf38ee837ede3a86264982dca3e350c234a40d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-09T11:46:27Z",
    "title_canon_sha256": "88ae4692ca1af997f3fe33593f6f60aa2ec2a2288bfb50354c41e7a8eb51b310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04097",
    "kind": "arxiv",
    "version": 1
  }
}