Pith Number

pith:F5QWQB4Y

pith:2010:F5QWQB4YYZMYRIFNG4YCC7UO6E

not attested not anchored not stored refs pending

Central dark matter trends in early-type galaxies from strong lensing, dynamics and stellar populations

A.J. Romanowsky, C. Tortora, N.R. Napolitano, Ph. Jetzer

arxiv:1007.3988 v2 · 2010-07-22 · 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{F5QWQB4YYZMYRIFNG4YCC7UO6E}

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	2026-05-18T02:06:11.423758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f61680798c65988a0ad3730217e8ef10783fc27049a5d9bc8c2307712abc744

Aliases

arxiv: 1007.3988 · arxiv_version: 1007.3988v2 · doi: 10.48550/arxiv.1007.3988 · pith_short_12: F5QWQB4YYZMY · pith_short_16: F5QWQB4YYZMYRIFN · pith_short_8: F5QWQB4Y

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/F5QWQB4YYZMYRIFNG4YCC7UO6E \
  | 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: 2f61680798c65988a0ad3730217e8ef10783fc27049a5d9bc8c2307712abc744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff7e8acb33ddb8123fcb2044eb24df6e0a817e25e4ed6efc49b07ff2651e3172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-22T20:00:02Z",
    "title_canon_sha256": "a8ec44c228451fe34109380129f4e5d1e3950206ef300b13d1a0e433975a039b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3988",
    "kind": "arxiv",
    "version": 2
  }
}