Pith Number

pith:LIRJ5UBS

pith:2018:LIRJ5UBS7PA5LTNQCXNAI33TO2

not attested not anchored not stored refs pending

Leapfrog time-stepping for Hermite methods

Arturo Vargas, Jesse Chan, Thomas Hagstrom, Tim Warburton

arxiv:1808.10481 v1 · 2018-08-30 · 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{LIRJ5UBS7PA5LTNQCXNAI33TO2}

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	2026-05-18T00:06:45.561810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a229ed032fbc1d5cdb015da046f7376aa426da027ec891036ddef9b5e3bd597

Aliases

arxiv: 1808.10481 · arxiv_version: 1808.10481v1 · doi: 10.48550/arxiv.1808.10481 · pith_short_12: LIRJ5UBS7PA5 · pith_short_16: LIRJ5UBS7PA5LTNQ · pith_short_8: LIRJ5UBS

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/LIRJ5UBS7PA5LTNQCXNAI33TO2 \
  | 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: 5a229ed032fbc1d5cdb015da046f7376aa426da027ec891036ddef9b5e3bd597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9b464d7986f53f4425c67cd90d4c33e1c84abb0bf1cff9d7c901e728b0d364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-30T18:48:51Z",
    "title_canon_sha256": "416df34b019f53461004769c91bcd34bd5a2c4176a86495d8f5f4f5fc93a974b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10481",
    "kind": "arxiv",
    "version": 1
  }
}