pith. sign in
Pith Number

pith:XO5FPPA5

pith:2010:XO5FPPA56CE2JFP66UPIFC22ZK
not attested not anchored not stored refs pending

How do galaxies acquire their mass?

2, (2) CRAL Lyon, 3), (3) AIP Potsdam, (4) IAP, (5), 5), 6) ((1) LAM, (6) Univ. Autonoma, A. Cattaneo (1, A. Knebe (3, Astro & BIPAC, G. A. Mamon (4, K. Warnick (3), Madrid), Marseille, Oxford, Paris

arxiv:1002.3257 v2 · 2010-02-17 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XO5FPPA56CE2JFP66UPIFC22ZK}

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 2026-05-18T04:02:02.011192Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bbba57bc1df089a495fef51e828b5aca8ec59bc8298bea46d9c1fd0b3b29326b

Aliases

arxiv: 1002.3257 · arxiv_version: 1002.3257v2 · doi: 10.48550/arxiv.1002.3257 · pith_short_12: XO5FPPA56CE2 · pith_short_16: XO5FPPA56CE2JFP6 · pith_short_8: XO5FPPA5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XO5FPPA56CE2JFP66UPIFC22ZK \
  | 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: bbba57bc1df089a495fef51e828b5aca8ec59bc8298bea46d9c1fd0b3b29326b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b7c0303b52cd27a266699798dc16c775a65a0762400fcff84738dcfc31b41745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-17T14:02:33Z",
    "title_canon_sha256": "92fe9be86d77b1bb248b6e543295f06b58908f6ebad455d0eeeb6f80d20b4eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3257",
    "kind": "arxiv",
    "version": 2
  }
}