Pith Number

pith:YXPKXBC3

pith:2011:YXPKXBC3EXFQQ35HCG3W24X4Z6

not attested not anchored not stored refs pending

The overdensity and masses of the friends-of-friends halos and universality of the halo mass function

Andrey Kravtsov, Neal Dalal, Stefan Gottl\"ober, Surhud More

arxiv:1103.0005 v1 · 2011-02-28 · 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{YXPKXBC3EXFQQ35HCG3W24X4Z6}

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	2026-05-18T02:03:02.084055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5deab845b25cb086fa711b76d72fccf9f77634c434f2f913296bbfdab6e0058

Aliases

arxiv: 1103.0005 · arxiv_version: 1103.0005v1 · doi: 10.48550/arxiv.1103.0005 · pith_short_12: YXPKXBC3EXFQ · pith_short_16: YXPKXBC3EXFQQ35H · pith_short_8: YXPKXBC3

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/YXPKXBC3EXFQQ35HCG3W24X4Z6 \
  | 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: c5deab845b25cb086fa711b76d72fccf9f77634c434f2f913296bbfdab6e0058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24c3b4c4d0155f4ecdcd94427fbe424d89c2d03904afd8aade1be2eb6d54dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-28T21:00:02Z",
    "title_canon_sha256": "a9c1555e019fe328d2448841543506821033660bc75f378c9e8e19d76884f84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0005",
    "kind": "arxiv",
    "version": 1
  }
}