Pith Number

pith:QFMZZXYM

pith:1997:QFMZZXYMB2TYLOPEXBXDI3Z5DO

not attested not anchored not stored refs pending

The Evolution of Dwarf Galaxies with Star Formation in Outward Propagating Super Shell

(2)University of Tokyo, (3)National Astronomical Observatory), Ken'ichi Nomoto(2) ((1)Nagoya University, Masao Mori(1), Takuji Tsujimoto(3), Yuzuru Yoshii(2)

arxiv:astro-ph/9701052 v2 · 1997-01-10 · 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{QFMZZXYMB2TYLOPEXBXDI3Z5DO}

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	2026-05-18T01:07:40.309802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81599cdf0c0ea785b9e4b86e346f3d1b8152869da01223d881fac2e0c539f8e4

Aliases

arxiv: astro-ph/9701052 · arxiv_version: astro-ph/9701052v2 · doi: 10.48550/arxiv.astro-ph/9701052 · pith_short_12: QFMZZXYMB2TY · pith_short_16: QFMZZXYMB2TYLOPE · pith_short_8: QFMZZXYM

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/QFMZZXYMB2TYLOPEXBXDI3Z5DO \
  | 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: 81599cdf0c0ea785b9e4b86e346f3d1b8152869da01223d881fac2e0c539f8e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "153870cd4dae785117ea5f95b8e01ef2a48be416b48a0c0e6c27ed3fcd6b566b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-10T08:17:46Z",
    "title_canon_sha256": "1969f89505635737023e4d69fff0463dc947f189750febd396ed3cd104f0763d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701052",
    "kind": "arxiv",
    "version": 2
  }
}