Pith Number

pith:3GPBFAAF

pith:2013:3GPBFAAFSSGORAK4JBIW5BTOHI

not attested not anchored not stored refs pending

Bootstrap Algebraic Multigrid for the 2D Wilson Dirac system

James Brannick, Karsten Kahl

arxiv:1308.5992 v1 · 2013-08-27 · 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{3GPBFAAFSSGORAK4JBIW5BTOHI}

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	2026-05-18T03:14:49.400200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d99e128005948ce8815c48516e866e3a3522424b0d76d47c276a4d3f6f6c8fe1

Aliases

arxiv: 1308.5992 · arxiv_version: 1308.5992v1 · doi: 10.48550/arxiv.1308.5992 · pith_short_12: 3GPBFAAFSSGO · pith_short_16: 3GPBFAAFSSGORAK4 · pith_short_8: 3GPBFAAF

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/3GPBFAAFSSGORAK4JBIW5BTOHI \
  | 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: d99e128005948ce8815c48516e866e3a3522424b0d76d47c276a4d3f6f6c8fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3eaa71846b3f51a7b5fe78f3d350ecb0f0521b2af6d7772db5ad0429589ef69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-27T20:55:23Z",
    "title_canon_sha256": "324f7721a7ba1a90b972556b1aeaddd218270277a3a4c647eb06b4ff31f84945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5992",
    "kind": "arxiv",
    "version": 1
  }
}