Pith Number

pith:4KM6B4GR

pith:2016:4KM6B4GRMFNHT5FH2NYHCMDNEW

not attested not anchored not stored refs pending

IB2d: a Python and MATLAB implementation of the immersed boundary method

Laura A. Miller, Nicholas A. Battista, W. Christopher Strickland

arxiv:1610.07944 v1 · 2016-10-24 · physics.flu-dyn · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KM6B4GRMFNHT5FH2NYHCMDNEW}

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	2026-05-18T00:46:02.436980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e299e0f0d1615a79f4a7d37071306d25a01821c95b5b4d68f8a5e6cb765d3e54

Aliases

arxiv: 1610.07944 · arxiv_version: 1610.07944v1 · doi: 10.48550/arxiv.1610.07944 · pith_short_12: 4KM6B4GRMFNH · pith_short_16: 4KM6B4GRMFNHT5FH · pith_short_8: 4KM6B4GR

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/4KM6B4GRMFNHT5FH2NYHCMDNEW \
  | 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: e299e0f0d1615a79f4a7d37071306d25a01821c95b5b4d68f8a5e6cb765d3e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790ced65c80a3af74e89c04f7adf461965270ca981fefad723b1013cc60609b4",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-10-24T16:15:40Z",
    "title_canon_sha256": "3f52a6c4379cabf5f2df4f88a5b993100e4fa370b925e35bb133ad30117fe9c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07944",
    "kind": "arxiv",
    "version": 1
  }
}