Pith Number

pith:SJV7AWFX

pith:2011:SJV7AWFXT5HEOXFP2LDNED3KHH

not attested not anchored not stored refs pending

Moving mesh cosmology: the hydrodynamics of galaxy formation

(2) UC Berkeley, (3) HITS), Debora Sijacki (1), Dusan Keres (2), Lars Hernquist (1) ((1) Harvard/CfA, Mark Vogelsberger (1), Volker Springel (3)

arxiv:1109.3468 v2 · 2011-09-15 · 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{SJV7AWFXT5HEOXFP2LDNED3KHH}

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	2026-05-18T02:00:32.208618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926bf058b79f4e475cafd2c6d20f6a39e8f747060407cfc7eabedf6641828dbf

Aliases

arxiv: 1109.3468 · arxiv_version: 1109.3468v2 · doi: 10.48550/arxiv.1109.3468 · pith_short_12: SJV7AWFXT5HE · pith_short_16: SJV7AWFXT5HEOXFP · pith_short_8: SJV7AWFX

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/SJV7AWFXT5HEOXFP2LDNED3KHH \
  | 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: 926bf058b79f4e475cafd2c6d20f6a39e8f747060407cfc7eabedf6641828dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcebe1d7d15e0f3c1aa79f5c76de52127e57099e6da64060941ad25fab854c7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-15T20:03:36Z",
    "title_canon_sha256": "01d06ebabcfe4be4e18fa2574edd86110386acb0ba6a344adeed3f035a6b2eb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3468",
    "kind": "arxiv",
    "version": 2
  }
}