Pith Number

pith:QIRYOZNM

pith:2001:QIRYOZNM2ICNKV5V6VLATRI2DG

not attested not anchored not stored refs pending

Adaptive Mesh Refinement in Computational Astrophysics -- Methods and Applications

Dinshaw Balsara (Physics Dept., Notre Dame)

arxiv:astro-ph/0112148 v1 · 2001-12-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIRYOZNM2ICNKV5V6VLATRI2DG}

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	2026-05-18T01:40:43.665671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82238765acd204d557b5f55609c51a19aba1588745ae91b669fcf502693f2978

Aliases

arxiv: astro-ph/0112148 · arxiv_version: astro-ph/0112148v1 · doi: 10.48550/arxiv.astro-ph/0112148 · pith_short_12: QIRYOZNM2ICN · pith_short_16: QIRYOZNM2ICNKV5V · pith_short_8: QIRYOZNM

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/QIRYOZNM2ICNKV5V6VLATRI2DG \
  | 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: 82238765acd204d557b5f55609c51a19aba1588745ae91b669fcf502693f2978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7932a7da65b3f2677696698c00d783d19f38160121a637d446dcee717e09af94",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-06T14:55:02Z",
    "title_canon_sha256": "9e976d45382a7259f0d7fb11c56b12dcee5961f045797d6ad665d33b529efbc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112148",
    "kind": "arxiv",
    "version": 1
  }
}