Pith Number

pith:BHN6Q743

pith:1997:BHN6Q743NZCF5F3AUQEIBFPHXE

not attested not anchored not stored refs pending

Infall Models of Elliptical Galaxies: Further Evidence for a Top-Heavy Initial Mass Function

Brad K. Gibson (MSSSO), Francesca Matteucci (SISSA)

arxiv:astro-ph/9707314 v1 · 1997-07-29 · 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{BHN6Q743NZCF5F3AUQEIBFPHXE}

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	2026-05-18T01:22:58.704872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09dbe87f9b6e445e9760a4088095e7b902b355ee3b946aa9523da1b66362ab9a

Aliases

arxiv: astro-ph/9707314 · arxiv_version: astro-ph/9707314v1 · doi: 10.48550/arxiv.astro-ph/9707314 · pith_short_12: BHN6Q743NZCF · pith_short_16: BHN6Q743NZCF5F3A · pith_short_8: BHN6Q743

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/BHN6Q743NZCF5F3AUQEIBFPHXE \
  | 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: 09dbe87f9b6e445e9760a4088095e7b902b355ee3b946aa9523da1b66362ab9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2f93e8cac2abbdbecc30981c769acda9fc3c48d5a11ba9c96a0093c3d598b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-29T07:34:29Z",
    "title_canon_sha256": "725cbebe2d5852bb6ac7fd02ebdcca7c5dcc19e35738ecf66adc1a2c8806059f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707314",
    "kind": "arxiv",
    "version": 1
  }
}