Pith Number

pith:XIZ3RSHT

pith:2008:XIZ3RSHTNW3TDO6JDJ3TJGPPIH

not attested not anchored not stored refs pending

Phase-space structures II: Hierarchical Structure Finder

C. Alard, F. R. Bouchet, M. Maciejewski, S. Colombi, V. Springel

arxiv:0812.0288 v1 · 2008-12-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIZ3RSHTNW3TDO6JDJ3TJGPPIH}

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	2026-05-18T02:15:12.385251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba33b8c8f36db731bbc91a773499ef41e54521c86bb697fa7aa6c42bed91b694

Aliases

arxiv: 0812.0288 · arxiv_version: 0812.0288v1 · doi: 10.48550/arxiv.0812.0288 · pith_short_12: XIZ3RSHTNW3T · pith_short_16: XIZ3RSHTNW3TDO6J · pith_short_8: XIZ3RSHT

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/XIZ3RSHTNW3TDO6JDJ3TJGPPIH \
  | 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: ba33b8c8f36db731bbc91a773499ef41e54521c86bb697fa7aa6c42bed91b694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a3fa4bc1c966151921e85264ef3a6afbd20dde44c2271ac2d196df918c6de3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-01T13:26:24Z",
    "title_canon_sha256": "6dc4bf66cafd32eb770597e503ee34a101001ee7829111754347a96a42cff58b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0288",
    "kind": "arxiv",
    "version": 1
  }
}