Pith Number

pith:7MJK6TZT

pith:2015:7MJK6TZTLFEXRYWMLMKRKE5M2N

not attested not anchored not stored refs pending

Optimizing the adaptive fast multipole method for fractal sets

Eric Darve, Hadi Pouransari

arxiv:1508.02666 v1 · 2015-08-11 · 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{7MJK6TZTLFEXRYWMLMKRKE5M2N}

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	2026-05-18T01:35:28.614194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb12af4f33594978e2cc5b151513acd355cb717c3acef454f2798e166d688770

Aliases

arxiv: 1508.02666 · arxiv_version: 1508.02666v1 · doi: 10.48550/arxiv.1508.02666 · pith_short_12: 7MJK6TZTLFEX · pith_short_16: 7MJK6TZTLFEXRYWM · pith_short_8: 7MJK6TZT

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/7MJK6TZTLFEXRYWMLMKRKE5M2N \
  | 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: fb12af4f33594978e2cc5b151513acd355cb717c3acef454f2798e166d688770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e13ef97af3dd358c3a8735233a1004b3eafa16314b550649f96769d25cc09b15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-11T17:39:29Z",
    "title_canon_sha256": "509b224a6d79af5ab6cdb02bcec22de984a7319d09ee0381c49c93146ad0397e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02666",
    "kind": "arxiv",
    "version": 1
  }
}