Pith Number

pith:3DU7AYMO

pith:2013:3DU7AYMOUO4ZPO5YDY5EGQIMNH

not attested not anchored not stored refs pending

Magnetic Fields in an Expanding Universe

David Kastor, Jennie Traschen

arxiv:1312.4923 v2 · 2013-12-17 · hep-th · astro-ph.CO · 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{3DU7AYMOUO4ZPO5YDY5EGQIMNH}

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

Magnetized dynamical black holes

Receipt and verification

First computed	2026-05-18T01:45:45.035215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e9f0618ea3b997bbb81e3a43410c69fb7966a1e6dd509844eeb96f7cd7f0e0

Aliases

arxiv: 1312.4923 · arxiv_version: 1312.4923v2 · doi: 10.48550/arxiv.1312.4923 · pith_short_12: 3DU7AYMOUO4Z · pith_short_16: 3DU7AYMOUO4ZPO5Y · pith_short_8: 3DU7AYMO

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/3DU7AYMOUO4ZPO5YDY5EGQIMNH \
  | 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: d8e9f0618ea3b997bbb81e3a43410c69fb7966a1e6dd509844eeb96f7cd7f0e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df23d7c3f7222bb238bce883f0e8b26835d9a6a124b9575a765f642134f67845",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-17T20:10:23Z",
    "title_canon_sha256": "5f5b4d09a7117812920fc16d06323df24913130e300a91196527bfeed14e9f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4923",
    "kind": "arxiv",
    "version": 2
  }
}