Pith Number

pith:QOY4I3KP

pith:2015:QOY4I3KPERI2BQ7GQG2ORDNK2E

not attested not anchored not stored refs pending

A Finite Element Based P3M Method for N-body Problems

Jonathan B. Freund, Luke N. Olson, Natalie N. Beams

arxiv:1503.08509 v1 · 2015-03-30 · cs.NA · 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{QOY4I3KPERI2BQ7GQG2ORDNK2E}

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	2026-05-18T02:20:01.590749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b1c46d4f2451a0c3e681b4e88daad1004f5319897cc40062cb2343fbe92a4c

Aliases

arxiv: 1503.08509 · arxiv_version: 1503.08509v1 · doi: 10.48550/arxiv.1503.08509 · pith_short_12: QOY4I3KPERI2 · pith_short_16: QOY4I3KPERI2BQ7G · pith_short_8: QOY4I3KP

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/QOY4I3KPERI2BQ7GQG2ORDNK2E \
  | 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: 83b1c46d4f2451a0c3e681b4e88daad1004f5319897cc40062cb2343fbe92a4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e73ce846fceabd8bd663f73bee9dd279d035bb25234e69ce6e16a68d2047c9",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-03-30T00:12:51Z",
    "title_canon_sha256": "e5da3fb14f5c78c3b157b073b6f05557d87ce7e350bf020532ca54bb0aa55164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08509",
    "kind": "arxiv",
    "version": 1
  }
}