Pith Number

pith:DOXKTVXF

pith:1997:DOXKTVXF4T34PNLD42YJ6WOPCA

not attested not anchored not stored refs pending

On the Origin of Density Cusps in Elliptical Galaxies

Junichiro Makino (University of Tokyo), Taro Nakano

arxiv:astro-ph/9710135 v2 · 1997-10-14 · 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{DOXKTVXF4T34PNLD42YJ6WOPCA}

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	2026-05-18T01:40:16.622854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1baea9d6e5e4f7c7b563e6b09f59cf1014e0a1f5191cc05462534848e165299e

Aliases

arxiv: astro-ph/9710135 · arxiv_version: astro-ph/9710135v2 · doi: 10.48550/arxiv.astro-ph/9710135 · pith_short_12: DOXKTVXF4T34 · pith_short_16: DOXKTVXF4T34PNLD · pith_short_8: DOXKTVXF

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/DOXKTVXF4T34PNLD42YJ6WOPCA \
  | 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: 1baea9d6e5e4f7c7b563e6b09f59cf1014e0a1f5191cc05462534848e165299e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02709a2e91d01b8d027ace6c91934ca281c84ddeead3630266454f0edb4152ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-14T08:17:28Z",
    "title_canon_sha256": "9400d6f8d3ce7a782b562fa31f49c8234d263f2d96b901680bb6835a2b7e68a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710135",
    "kind": "arxiv",
    "version": 2
  }
}