Pith Number

pith:UO25AQ4M

pith:2013:UO25AQ4MXLMZI3UFXEX72FFUOP

not attested not anchored not stored refs pending

Collapse and Fragmentation of Magnetic Molecular Cloud Cores with the Enzo AMR MHD Code. I. Uniform Density Sphere

Alan P. Boss, Sandra A. Keiser

arxiv:1301.4495 v1 · 2013-01-18 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO25AQ4MXLMZI3UFXEX72FFUOP}

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	2026-05-18T01:52:05.702252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b5d0438cbad9946e85b92ffd14b473f372a1f5c8cd9b50dac78de2c281e55d

Aliases

arxiv: 1301.4495 · arxiv_version: 1301.4495v1 · doi: 10.48550/arxiv.1301.4495 · pith_short_12: UO25AQ4MXLMZ · pith_short_16: UO25AQ4MXLMZI3UF · pith_short_8: UO25AQ4M

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/UO25AQ4MXLMZI3UFXEX72FFUOP \
  | 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: a3b5d0438cbad9946e85b92ffd14b473f372a1f5c8cd9b50dac78de2c281e55d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9827db5b062f0516c260cec59d9e2b1e933babdaea5ae7c586729301b8857fd4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-18T21:52:23Z",
    "title_canon_sha256": "0ac565f420fbb00896fdd0c95310d0c9c375c1e03443c98dd5df77bf2d964024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4495",
    "kind": "arxiv",
    "version": 1
  }
}