Pith Number

pith:HFV25INQ

pith:2008:HFV25INQIZNG2HQOQOQR32JSYN

not attested not anchored not stored refs pending

The Existence of Sterile Neutrino Halos in Galactic Centers as an Explanation of the Black Hole mass - Velocity Dispersion Relation

M.-C. Chu, M. H. Chan

arxiv:0810.4057 v1 · 2008-10-22 · 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{HFV25INQIZNG2HQOQOQR32JSYN}

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	2026-05-18T04:09:45.992880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396baea1b0465a6d1e0e83a11de932c35d76ebdbb67885a27285569ee083a804

Aliases

arxiv: 0810.4057 · arxiv_version: 0810.4057v1 · doi: 10.48550/arxiv.0810.4057 · pith_short_12: HFV25INQIZNG · pith_short_16: HFV25INQIZNG2HQO · pith_short_8: HFV25INQ

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/HFV25INQIZNG2HQOQOQR32JSYN \
  | 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: 396baea1b0465a6d1e0e83a11de932c35d76ebdbb67885a27285569ee083a804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d5123ea745470e04f3de8bd6c5e3faf79d3748a68bfcf063680812e8fb671c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-22T12:44:31Z",
    "title_canon_sha256": "ec097a6cb40c62efd9ff20bc1b3057ec169ee1f06ee87dd020851f49da8dc2c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4057",
    "kind": "arxiv",
    "version": 1
  }
}