Pith Number

pith:OBZKLAJO

pith:2007:OBZKLAJOJOHBRYF2WNTA4U6HU6

not attested not anchored not stored refs pending

Is the Concentration of Dark Matter Halos at Virialization Universal ?

Andrew Pontzen, Massimo Ricotti, Matteo Viel

arxiv:0706.0856 v1 · 2007-06-06 · 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{OBZKLAJOJOHBRYF2WNTA4U6HU6}

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	2026-07-04T17:04:06.083064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7072a5812e4b8e18e0bab3660e53c7a794f8f5966531ca778789d7fb8c84c454

Aliases

arxiv: 0706.0856 · arxiv_version: 0706.0856v1 · doi: 10.48550/arxiv.0706.0856 · pith_short_12: OBZKLAJOJOHB · pith_short_16: OBZKLAJOJOHBRYF2 · pith_short_8: OBZKLAJO

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/OBZKLAJOJOHBRYF2WNTA4U6HU6 \
  | 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: 7072a5812e4b8e18e0bab3660e53c7a794f8f5966531ca778789d7fb8c84c454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3fa2eb7e304ce7480ce4b9426de94b9b0e050e01a55479c12ff17e450f236b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-06T16:13:20Z",
    "title_canon_sha256": "450aaafa82432d1ac8f67c6ee7fe3d79765a019bae551af754a30273a3872237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0856",
    "kind": "arxiv",
    "version": 1
  }
}