Pith Number

pith:BOI4PTRP

pith:2013:BOI4PTRPGUVDYPTV3HCUNP4A2C

not attested not anchored not stored refs pending

A Minimally-Resolved Immersed Boundary Model for Reaction-Diffusion Problems

A. Donev, A. Pal Singh Bhalla, B. E. Griffith, N. A. Patankar

arxiv:1306.3159 v2 · 2013-06-13 · 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{BOI4PTRPGUVDYPTV3HCUNP4A2C}

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	2026-05-18T01:49:22.710196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b91c7ce2f352a3c3e75d9c546bf80d0979f19e4941274217629555d6a65cb64

Aliases

arxiv: 1306.3159 · arxiv_version: 1306.3159v2 · doi: 10.48550/arxiv.1306.3159 · pith_short_12: BOI4PTRPGUVD · pith_short_16: BOI4PTRPGUVDYPTV · pith_short_8: BOI4PTRP

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/BOI4PTRPGUVDYPTV3HCUNP4A2C \
  | 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: 0b91c7ce2f352a3c3e75d9c546bf80d0979f19e4941274217629555d6a65cb64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314abe342b656a646aaf5927c79bf8c537779a5f93ee90f4138443c10dac5bc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-13T16:27:55Z",
    "title_canon_sha256": "f281994d9441f15046c89c335a2ba976d670564d9ffd0fd3b636ab5f5b571bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3159",
    "kind": "arxiv",
    "version": 2
  }
}