Pith Number

pith:Y275D2CM

pith:1999:Y275D2CMUEGA4B3RQC63DS4CPQ

not attested not anchored not stored refs pending

Gravo-thermal properties and formation of elliptical galaxies

D. Gerbal, F. Durret, G.B. Lima Neto, H. Capelato, I. Marquez

arxiv:astro-ph/9911464 v1 · 1999-11-25 · 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{Y275D2CMUEGA4B3RQC63DS4CPQ}

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	2026-07-04T14:17:22.189583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6bfd1e84ca10c0e077180bdb1cb827c288a14116417197f31e021ef88dd92f7

Aliases

arxiv: astro-ph/9911464 · arxiv_version: astro-ph/9911464v1 · doi: 10.48550/arxiv.astro-ph/9911464 · pith_short_12: Y275D2CMUEGA · pith_short_16: Y275D2CMUEGA4B3R · pith_short_8: Y275D2CM

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/Y275D2CMUEGA4B3RQC63DS4CPQ \
  | 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: c6bfd1e84ca10c0e077180bdb1cb827c288a14116417197f31e021ef88dd92f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb38b5194466bcd26bbad11ec8d806bac15ff6350c9d2f24bf6672abe9d69ce8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-25T08:39:18Z",
    "title_canon_sha256": "8f93e98689d885c2f32db04130358366bf6f35a77bbbf3bf151d9918b0486831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911464",
    "kind": "arxiv",
    "version": 1
  }
}