Pith Number

pith:VDXIIUFI

pith:2013:VDXIIUFI2JHVXZKFNN23AHFNJP

not attested not anchored not stored refs pending

Extrapolation-based implicit-explicit general linear methods

Adrian Sandu, Angelamaria Cardone, Hong Zhang, Zdzislaw Jackiewicz

arxiv:1304.2276 v1 · 2013-04-08 · 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{VDXIIUFI2JHVXZKFNN23AHFNJP}

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	2026-05-18T03:28:43.539910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8ee8450a8d24f5be5456b75b01cad4bdc255e7b68c966166a03463ab02787bc

Aliases

arxiv: 1304.2276 · arxiv_version: 1304.2276v1 · doi: 10.48550/arxiv.1304.2276 · pith_short_12: VDXIIUFI2JHV · pith_short_16: VDXIIUFI2JHVXZKF · pith_short_8: VDXIIUFI

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/VDXIIUFI2JHVXZKFNN23AHFNJP \
  | 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: a8ee8450a8d24f5be5456b75b01cad4bdc255e7b68c966166a03463ab02787bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb62e169d8bdb5ff09942240b7c7e19dee822995dae3fefedc40d462388283a",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-04-08T17:22:23Z",
    "title_canon_sha256": "9a96ccff2af689a9201128775af55e6a314fb8fd9a6883ad3c29014fd7aba5df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2276",
    "kind": "arxiv",
    "version": 1
  }
}