Pith Number

pith:XIFIQV53

pith:2012:XIFIQV53B6HUGKHU7OGBUXUMAM

not attested not anchored not stored refs pending

CASTRO: A New Compressible Astrophysical Solver. III. Multigroup Radiation Hydrodynamics

A. Almgren, A. Burrows, J. Bell, J. Dolence, L. Howell, W. Zhang

arxiv:1207.3845 v2 · 2012-07-16 · astro-ph.IM · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIFIQV53B6HUGKHU7OGBUXUMAM}

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	2026-05-18T01:56:17.699264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0a8857bb0f8f4328f4fb8c1a5e8c03347e0edbcbdb13bc5c7b989547b1603e

Aliases

arxiv: 1207.3845 · arxiv_version: 1207.3845v2 · doi: 10.48550/arxiv.1207.3845 · pith_short_12: XIFIQV53B6HU · pith_short_16: XIFIQV53B6HUGKHU · pith_short_8: XIFIQV53

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/XIFIQV53B6HUGKHU7OGBUXUMAM \
  | 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: ba0a8857bb0f8f4328f4fb8c1a5e8c03347e0edbcbdb13bc5c7b989547b1603e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d95e608c1c9299bba76bf3b5c9257b99addb04263534ac4c0c06704be0187d92",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-16T23:22:39Z",
    "title_canon_sha256": "14b48a9a0d3140d036c92bb7c13daf0d3779fea8166fefa5e53221dc70b8134c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3845",
    "kind": "arxiv",
    "version": 2
  }
}