Pith Number

pith:EFGCSUOX

pith:2015:EFGCSUOXUVOI5SJQU36FKCSP3K

not attested not anchored not stored refs pending

A numerical method to solve higher-order fractional differential equations

Nuno R. O. Bastos, Ricardo Almeida

arxiv:1512.04579 v1 · 2015-12-08 · 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{EFGCSUOXUVOI5SJQU36FKCSP3K}

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	2026-05-18T01:24:19.843993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214c2951d7a55c8ec930a6fc550a4fdab559ab2b89497d17787c613594269778

Aliases

arxiv: 1512.04579 · arxiv_version: 1512.04579v1 · doi: 10.48550/arxiv.1512.04579 · pith_short_12: EFGCSUOXUVOI · pith_short_16: EFGCSUOXUVOI5SJQ · pith_short_8: EFGCSUOX

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/EFGCSUOXUVOI5SJQU36FKCSP3K \
  | 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: 214c2951d7a55c8ec930a6fc550a4fdab559ab2b89497d17787c613594269778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06124f900c4ce40f203647cb20389526287e42c08f7f3217305404cdccbca955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-08T15:32:22Z",
    "title_canon_sha256": "891f1667d3a3fabbb486c1d075a1cfa7da55846681e033b49930a208491c7f5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04579",
    "kind": "arxiv",
    "version": 1
  }
}