Pith Number

pith:DDVNHHRO

pith:2006:DDVNHHROHOKM6HRDASJPEHLQIP

not attested not anchored not stored refs pending

The Bulge-Halo Connection in Galaxies: A Physical Interpretation of the Vcirc-sigma_0 Relation

Jon Holtzman (New Mexico State University), Lawrence M. Widrow (Queen's University), Michael McDonald, Stephane Courteau

arxiv:astro-ph/0610721 v2 · 2006-10-24 · 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{DDVNHHROHOKM6HRDASJPEHLQIP}

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	2026-05-18T04:28:57.426042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ead39e2e3b94cf1e230492f21d7043fb3c5fc448c91f45470b9700563fb34a

Aliases

arxiv: astro-ph/0610721 · arxiv_version: astro-ph/0610721v2 · doi: 10.48550/arxiv.astro-ph/0610721 · pith_short_12: DDVNHHROHOKM · pith_short_16: DDVNHHROHOKM6HRD · pith_short_8: DDVNHHRO

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/DDVNHHROHOKM6HRDASJPEHLQIP \
  | 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: 18ead39e2e3b94cf1e230492f21d7043fb3c5fc448c91f45470b9700563fb34a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cbb8cc333c9c88b153ccb9be3ee1ab0551bc39e3b64c8914ee9a0cdde56c5ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-24T20:00:05Z",
    "title_canon_sha256": "0e8944d8a1e8a8c8744653c53c95d84c2c40a873eeb06161a0ac9e32671f76ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610721",
    "kind": "arxiv",
    "version": 2
  }
}