Pith Number

pith:BQQJUACJ

pith:2011:BQQJUACJJ7J45TXR7UTUAM5LZ7

not attested not anchored not stored refs pending

Mass assembly of galaxies: Smooth accretion versus mergers

2), (2) Korea Institute for Advanced Study), Benjamin L'Huillier (1, Benoit Semelin (1) ((1) LERMA, Francoise Combes (1), Obs-Paris, UPMC

arxiv:1108.4247 v2 · 2011-08-22 · 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{BQQJUACJJ7J45TXR7UTUAM5LZ7}

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	2026-05-18T00:30:49.860302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c209a00494fd3cecef1fd274033abcfcdf3d956c75f734aa9303e40191a34b6

Aliases

arxiv: 1108.4247 · arxiv_version: 1108.4247v2 · doi: 10.48550/arxiv.1108.4247 · pith_short_12: BQQJUACJJ7J4 · pith_short_16: BQQJUACJJ7J45TXR · pith_short_8: BQQJUACJ

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/BQQJUACJJ7J45TXR7UTUAM5LZ7 \
  | 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: 0c209a00494fd3cecef1fd274033abcfcdf3d956c75f734aa9303e40191a34b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264b41e3c9443307efdc70ee8c137e2214149f3198476fce2cd17ac9bfe54161",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-22T07:54:26Z",
    "title_canon_sha256": "69fcf223ff5f9d61cb4b8126a9f2742b6146be0fade804c8a0eb3f7fbf159d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4247",
    "kind": "arxiv",
    "version": 2
  }
}