Pith Number

pith:QMCOEVWC

pith:2010:QMCOEVWCMRRVOWGKW44NMHGNJO

not attested not anchored not stored refs pending

The Athena Astrophysical MHD Code in Cylindrical Geometry

Aaron Skinner, Eve Ostriker

arxiv:1004.2487 v1 · 2010-04-14 · astro-ph.IM · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMCOEVWCMRRVOWGKW44NMHGNJO}

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	2026-05-18T02:08:05.548323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8304e256c264635758cab738d61ccd4bbe0ece9e305ab59ae3b7145b482bcd3b

Aliases

arxiv: 1004.2487 · arxiv_version: 1004.2487v1 · doi: 10.48550/arxiv.1004.2487 · pith_short_12: QMCOEVWCMRRV · pith_short_16: QMCOEVWCMRRVOWGK · pith_short_8: QMCOEVWC

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/QMCOEVWCMRRVOWGKW44NMHGNJO \
  | 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: 8304e256c264635758cab738d61ccd4bbe0ece9e305ab59ae3b7145b482bcd3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ff085b044bdd8aee133f12ad969802b142518efb47d33dacd6d6644f2f446b2",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-04-14T20:00:01Z",
    "title_canon_sha256": "267bf7b011fe459f5107eec3b6c18b913f73015249259c95482464a6efc9b20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2487",
    "kind": "arxiv",
    "version": 1
  }
}