Pith Number

pith:5KIAXAFY

pith:1998:5KIAXAFYVK73K364O3JQ3WCGKB

not attested not anchored not stored refs pending

Self-Similar Collapse of Nonrotating Magnetic Molecular Cloud Cores

Arieh Konigl (Univ. of Chicago), Glenn E. Ciolek, Ioannis Contopoulos

arxiv:astro-ph/9804114 v1 · 1998-04-10 · 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{5KIAXAFYVK73K364O3JQ3WCGKB}

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	2026-07-04T16:06:18.151295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea900b80b8aabfb56fdc76d30dd8465067f8f1750a29e8da73356e7470c917df

Aliases

arxiv: astro-ph/9804114 · arxiv_version: astro-ph/9804114v1 · doi: 10.48550/arxiv.astro-ph/9804114 · pith_short_12: 5KIAXAFYVK73 · pith_short_16: 5KIAXAFYVK73K364 · pith_short_8: 5KIAXAFY

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/5KIAXAFYVK73K364O3JQ3WCGKB \
  | 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: ea900b80b8aabfb56fdc76d30dd8465067f8f1750a29e8da73356e7470c917df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a1d0e7b7799c46a02908193db56cecd0b358b2626deebc2d02a0df032f53812",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-10T23:00:21Z",
    "title_canon_sha256": "70025146c1cd9d1946ecff63f885e121ddbfa0f61c0f887380b453fb5e869c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804114",
    "kind": "arxiv",
    "version": 1
  }
}