Pith Number

pith:YSZDVCKU

pith:2010:YSZDVCKUK4V6GGJ2BJFQADJUU4

not attested not anchored not stored refs pending

Fossil Groups in the Millennium Simulation: Their environment and its evolution

Ariel Zandivarez (1), Claudia Mendes de Oliveira (2), Eugenia Diaz-Gimenez (1), L. Raul Abramo (3). ((1) IATE (CONICET) & OAC (UNC)(2) IAG (3) Instituto de Fisica), Robert Proctor (2)

arxiv:1012.5831 v2 · 2010-12-28 · 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{YSZDVCKUK4V6GGJ2BJFQADJUU4}

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	2026-05-18T02:23:06.199961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b23a8954572be3193a0a4b000d34a7365b45465435c6b638695b6b312b1fcb

Aliases

arxiv: 1012.5831 · arxiv_version: 1012.5831v2 · doi: 10.48550/arxiv.1012.5831 · pith_short_12: YSZDVCKUK4V6 · pith_short_16: YSZDVCKUK4V6GGJ2 · pith_short_8: YSZDVCKU

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/YSZDVCKUK4V6GGJ2BJFQADJUU4 \
  | 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: c4b23a8954572be3193a0a4b000d34a7365b45465435c6b638695b6b312b1fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4305d6907f1548011d2412897963d7b2a421cd5390a4103ec823a8608f010f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-28T20:15:30Z",
    "title_canon_sha256": "6b3ba1be7bb62ffa84fffd6a3a836083e2b2935f1af00d1d31c19199c077a574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5831",
    "kind": "arxiv",
    "version": 2
  }
}