Pith Number

pith:7S7U5LIV

pith:1994:7S7U5LIVIFDWKOZXKBNDP6A7KZ

not attested not anchored not stored refs pending

Numerical analysis of the dynamics of a cosmic string loop as a vortex

Jun'ichi Yokoyama, Michiyasu Nagasawa

arxiv:astro-ph/9404041 v2 · 1994-04-20 · 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{7S7U5LIVIFDWKOZXKBNDP6A7KZ}

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	2026-07-04T15:56:04.974876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcbf4ead154147653b37505a37f81f5641c4bffa2898f9a584251449820d1f6a

Aliases

arxiv: astro-ph/9404041 · arxiv_version: astro-ph/9404041v2 · doi: 10.48550/arxiv.astro-ph/9404041 · pith_short_12: 7S7U5LIVIFDW · pith_short_16: 7S7U5LIVIFDWKOZX · pith_short_8: 7S7U5LIV

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/7S7U5LIVIFDWKOZXKBNDP6A7KZ \
  | 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: fcbf4ead154147653b37505a37f81f5641c4bffa2898f9a584251449820d1f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c7a7d7b81af25f59a9825277a81a28b61194bb7c3a2c3151699309ea7fa7230",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-04-20T04:59:09Z",
    "title_canon_sha256": "66d5bfc99bae6550a3c8cfead4eded6c24cf2a47e7924dd3080cb883018fc200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9404041",
    "kind": "arxiv",
    "version": 2
  }
}