Pith Number

pith:CAXWZIQL

pith:2008:CAXWZIQLTEIEFJD4RKNVEVRCG5

not attested not anchored not stored refs pending

Dissipation and Extra Light in Galactic Nuclei: IV. Evolution in the Scaling Relations of Spheroids

Dusan Keres, Lars Hernquist, Philip F. Hopkins, Stijn Wuyts (CfA), Thomas J. Cox

arxiv:0807.2868 v2 · 2008-07-17 · 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{CAXWZIQLTEIEFJD4RKNVEVRCG5}

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	2026-05-18T02:35:15.515096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

102f6ca20b991042a47c8a9b5256223775e4b9c123d8d131ac66979fb149e50d

Aliases

arxiv: 0807.2868 · arxiv_version: 0807.2868v2 · doi: 10.48550/arxiv.0807.2868 · pith_short_12: CAXWZIQLTEIE · pith_short_16: CAXWZIQLTEIEFJD4 · pith_short_8: CAXWZIQL

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/CAXWZIQLTEIEFJD4RKNVEVRCG5 \
  | 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: 102f6ca20b991042a47c8a9b5256223775e4b9c123d8d131ac66979fb149e50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2dc82afe3a8270edc496dc0d2909fca41570f77a6edd646ed30947db56d5e52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-17T20:09:30Z",
    "title_canon_sha256": "79f701e9823ebc0f46475d1c6e1c0865e2f6c6e93e283c6e61f9a0469bf4e52e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2868",
    "kind": "arxiv",
    "version": 2
  }
}