Pith Number

pith:YKTE32FP

pith:2019:YKTE32FPEPJLUDSYQLSZMLKWGA

not attested not anchored not stored refs pending

Computing cost-effective particle trajectories in numerically calculated incompressible fluids using geometric methods

Benjamin K Tapley

arxiv:1901.05236 v1 · 2019-01-16 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKTE32FPEPJLUDSYQLSZMLKWGA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:11.399039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a64de8af23d2ba0e5882e5962d563037b32b280b2d2a6bf6d04f52b47063a3

Aliases

arxiv: 1901.05236 · arxiv_version: 1901.05236v1 · doi: 10.48550/arxiv.1901.05236 · pith_short_12: YKTE32FPEPJL · pith_short_16: YKTE32FPEPJLUDSY · pith_short_8: YKTE32FP

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/YKTE32FPEPJLUDSYQLSZMLKWGA \
  | 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: c2a64de8af23d2ba0e5882e5962d563037b32b280b2d2a6bf6d04f52b47063a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6f484b294466155f815fc0ae6a1780d33cf9a7d111a40b09d360a0e937f3ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-01-16T11:28:54Z",
    "title_canon_sha256": "380343b945dd1d758152ed992f1371baa14a666729940301ac997adbcfedb530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05236",
    "kind": "arxiv",
    "version": 1
  }
}