Pith Number

pith:4WNFINJJ

pith:2011:4WNFINJJYK3TZCEGA4JZLF6H3U

not attested not anchored not stored refs pending

Substructure in the stellar halos of the Aquarius simulations

Amina Helmi, A. P. Cooper, C. S. Frenk, J. F. Navarro, S. Cole, S. D. M. White

arxiv:1101.2544 v2 · 2011-01-13 · 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{4WNFINJJYK3TZCEGA4JZLF6H3U}

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	2026-05-18T02:03:40.491304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59a543529c2b73c888607139597c7dd01c06e190f478db88526a3ea929ee9db

Aliases

arxiv: 1101.2544 · arxiv_version: 1101.2544v2 · doi: 10.48550/arxiv.1101.2544 · pith_short_12: 4WNFINJJYK3T · pith_short_16: 4WNFINJJYK3TZCEG · pith_short_8: 4WNFINJJ

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/4WNFINJJYK3TZCEGA4JZLF6H3U \
  | 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: e59a543529c2b73c888607139597c7dd01c06e190f478db88526a3ea929ee9db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce64c3b39e5afba39f0454504ecd492931789eae1fdd8863639d7da7a5e3605c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-13T12:36:57Z",
    "title_canon_sha256": "8cdbe39581630158a5ab0603cd69e89e4ecbbb622bf4cbe5e25f6c4888e50e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2544",
    "kind": "arxiv",
    "version": 2
  }
}