Pith Number

pith:BCACL4LV

pith:2012:BCACL4LVIV75SWZI3WSLSS6SXG

not attested not anchored not stored refs pending

The journey of QSO haloes from z=6 to the present

A. Jenkins, C. M. Baugh, C. S. Frenk, R. E. Angulo, S. Cole, S. D. M. White, V. Springel

arxiv:1203.5339 v2 · 2012-03-23 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCACL4LVIV75SWZI3WSLSS6SXG}

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	2026-05-18T01:58:02.337052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088025f175457fd95b28dda4b94bd2b9baef7f0fd91292c75b88c1d9c4e5de25

Aliases

arxiv: 1203.5339 · arxiv_version: 1203.5339v2 · doi: 10.48550/arxiv.1203.5339 · pith_short_12: BCACL4LVIV75 · pith_short_16: BCACL4LVIV75SWZI · pith_short_8: BCACL4LV

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/BCACL4LVIV75SWZI3WSLSS6SXG \
  | 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: 088025f175457fd95b28dda4b94bd2b9baef7f0fd91292c75b88c1d9c4e5de25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93394ef7873affc393954fe9af9991d88698c282924c961a69e4e52eee88e4f3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-23T20:00:03Z",
    "title_canon_sha256": "dbb5c0303e589001f6ee876f4e11a9983c733c2c6a0d015774d12edbc1fb8ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5339",
    "kind": "arxiv",
    "version": 2
  }
}