Pith Number

pith:BBHL3MXF

pith:2011:BBHL3MXF23ROEEZYLBJ7RFEQCQ

not attested not anchored not stored refs pending

Galaxy formation in semi-analytic models and cosmological hydrodynamic zoom simulations

A. Burkert, L. Oser, M. Hirschmann, R. Somerville, T. Naab

arxiv:1104.1626 v2 · 2011-04-08 · 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{BBHL3MXF23ROEEZYLBJ7RFEQCQ}

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	2026-05-18T02:02:36.165671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1

Aliases

arxiv: 1104.1626 · arxiv_version: 1104.1626v2 · doi: 10.48550/arxiv.1104.1626 · pith_short_12: BBHL3MXF23RO · pith_short_16: BBHL3MXF23ROEEZY · pith_short_8: BBHL3MXF

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/BBHL3MXF23ROEEZYLBJ7RFEQCQ \
  | 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: 084ebdb2e5d6e2e213385853f89490140134d42f12cae3d54f3e851b2dc299f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5b38002e7bfa28bf30e80938a8a583a7e68ed1c004a43536e1b5ecea3bd428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-08T19:13:28Z",
    "title_canon_sha256": "a7a90076de2a79e7e609ec1be1787f058c5c6d5c80835b2d8f4fe3086cb0a491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1626",
    "kind": "arxiv",
    "version": 2
  }
}