Pith Number

pith:FQM6AG3F

pith:2016:FQM6AG3FAZXLMP5UQHSNBF7LBJ

not attested not anchored not stored refs pending

New efficient substepping methods for exponential timestepping

Daniel Stone, Gabriel Lord

arxiv:1608.02089 v1 · 2016-08-06 · 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{FQM6AG3FAZXLMP5UQHSNBF7LBJ}

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	2026-05-18T01:09:40.998398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c19e01b65066eb63fb481e4d097eb0a7169275feaccd699ce30405aa620969b

Aliases

arxiv: 1608.02089 · arxiv_version: 1608.02089v1 · doi: 10.48550/arxiv.1608.02089 · pith_short_12: FQM6AG3FAZXL · pith_short_16: FQM6AG3FAZXLMP5U · pith_short_8: FQM6AG3F

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/FQM6AG3FAZXLMP5UQHSNBF7LBJ \
  | 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: 2c19e01b65066eb63fb481e4d097eb0a7169275feaccd699ce30405aa620969b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1164411aeeb2a99a5375a26e5224a123ff7599ec1fa0bc253a9b77e12a6c0554",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-06T10:15:55Z",
    "title_canon_sha256": "a6fb0580fb4dfcbc9f8dde7bb6047a3d7e251831c6da53fd675de38e6441fc52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02089",
    "kind": "arxiv",
    "version": 1
  }
}