Pith Number

pith:X2UZM72A

pith:2003:X2UZM72AJQ62SHOENKVQ4EABC6

not attested not anchored not stored refs pending

Adaptive Mesh Refinement for Characteristic Codes

Frans Pretorius, Luis Lehner

arxiv:gr-qc/0302003 v2 · 2003-02-03 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2UZM72AJQ62SHOENKVQ4EABC6}

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.

Cited by

1 paper in Pith

Excision and avoiding the use of boundary conditions in numerical relativity

Receipt and verification

First computed	2026-07-04T16:40:09.324924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea9967f404c3da91dc46aab0e100117af113319f5188be3bf19ee6b6bdfab53

Aliases

arxiv: gr-qc/0302003 · arxiv_version: gr-qc/0302003v2 · doi: 10.48550/arxiv.gr-qc/0302003 · pith_short_12: X2UZM72AJQ62 · pith_short_16: X2UZM72AJQ62SHOE · pith_short_8: X2UZM72A

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/X2UZM72AJQ62SHOENKVQ4EABC6 \
  | 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: bea9967f404c3da91dc46aab0e100117af113319f5188be3bf19ee6b6bdfab53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4837692d9484580604470bac5cd3552b8ea59b7510e6764c1ff0d87e951a0833",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-02-03T08:40:23Z",
    "title_canon_sha256": "21f48ba33c94c1935c46e814b4468526a3a966af8fdd818389d095e581ec6613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0302003",
    "kind": "arxiv",
    "version": 2
  }
}