Pith Number

pith:BGRWN2FN

pith:2011:BGRWN2FN7NQARUWPZ753MA345M

not attested not anchored not stored refs pending

Secondary infall model and dark matter scaling relations in intermediate redshift early - type galaxies

A. Del Popolo, C. Tortora, N.R. Napolitano, V.F. Cardone

arxiv:1106.0364 v1 · 2011-06-02 · 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{BGRWN2FN7NQARUWPZ753MA345M}

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	2026-05-18T03:00:27.268803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a366e8adfb6008d2cfcffbb6037ceb1fc5805ee09367fdf1ab6a0130e03ac5

Aliases

arxiv: 1106.0364 · arxiv_version: 1106.0364v1 · doi: 10.48550/arxiv.1106.0364 · pith_short_12: BGRWN2FN7NQA · pith_short_16: BGRWN2FN7NQARUWP · pith_short_8: BGRWN2FN

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/BGRWN2FN7NQARUWPZ753MA345M \
  | 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: 09a366e8adfb6008d2cfcffbb6037ceb1fc5805ee09367fdf1ab6a0130e03ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c23167485ca247cc605217e3dff4fc16f9c77e2eb28f549f3d9a5049bb81ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-02T05:07:42Z",
    "title_canon_sha256": "b980a39c8dd22b0517e3c71c2570f4c9628587b56d5a83cf87345e1680a9171d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0364",
    "kind": "arxiv",
    "version": 1
  }
}