Pith Number

pith:AZ5HBER4

pith:2012:AZ5HBER4TAE7SLX6FGWQJ7F6OC

not attested not anchored not stored refs pending

Numerical hydrodynamic simulations based on semi-analytic galaxy merger trees: method and Milky-Way like galaxies

Andrea V. Macci\`o, Benjamin P. Moster, Rachel S. Somerville

arxiv:1210.5522 v1 · 2012-10-19 · 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{AZ5HBER4TAE7SLX6FGWQJ7F6OC}

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	2026-05-18T01:53:45.678779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

067a70923c9809f92efe29ad04fcbe70a934f88dfbd196244e0682ccb13a7fe3

Aliases

arxiv: 1210.5522 · arxiv_version: 1210.5522v1 · doi: 10.48550/arxiv.1210.5522 · pith_short_12: AZ5HBER4TAE7 · pith_short_16: AZ5HBER4TAE7SLX6 · pith_short_8: AZ5HBER4

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/AZ5HBER4TAE7SLX6FGWQJ7F6OC \
  | 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: 067a70923c9809f92efe29ad04fcbe70a934f88dfbd196244e0682ccb13a7fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8853789a81e2eb508a929ec6324d26e0ea34d90e564c7cf290e487565383799",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-19T20:00:01Z",
    "title_canon_sha256": "80fade7c66f91b96c2adf99013c0b52054f2aa511e289f8668ef46c4016ac1fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5522",
    "kind": "arxiv",
    "version": 1
  }
}