Pith Number

pith:4F3Y25JJ

pith:2013:4F3Y25JJMIDA5S6TIDUBZ2ALD7

not attested not anchored not stored refs pending

The Dynamical Fingerprint of Core Scouring in Massive Elliptical Galaxies

J. Thomas, M. Fabricius, P. Erwin, R. Bender, R. P. Saglia

arxiv:1311.3783 v2 · 2013-11-15 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F3Y25JJMIDA5S6TIDUBZ2ALD7}

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	2026-05-18T01:46:24.521233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1778d752962060ecbd340e81ce80b1fe0085c62e88549afa686592997ea4e66

Aliases

arxiv: 1311.3783 · arxiv_version: 1311.3783v2 · doi: 10.48550/arxiv.1311.3783 · pith_short_12: 4F3Y25JJMIDA · pith_short_16: 4F3Y25JJMIDA5S6T · pith_short_8: 4F3Y25JJ

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/4F3Y25JJMIDA5S6TIDUBZ2ALD7 \
  | 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: e1778d752962060ecbd340e81ce80b1fe0085c62e88549afa686592997ea4e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "766ebe091c1812cb887b091b41c6757d7faca9d07df722d2fe0d5f50badbd43c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-15T09:24:29Z",
    "title_canon_sha256": "e2f4ee5870081c95284af2b2ff4d8c3997a481601cba9dc3c3547bc64689a884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3783",
    "kind": "arxiv",
    "version": 2
  }
}