Pith Number

pith:VOMQ7A64

pith:2010:VOMQ7A64LDY7VPVIKSJBKP5FBD

not attested not anchored not stored refs pending

Abundance gradient slopes versus mass in spheroids: predictions by monolithic models

A. D'Ercole (INAF-Bologna), A. Pipino (Univ.Trieste, C. Chiappini (Observatoire de Geneve, F. Matteucci (Univ.Trieste, INAF-Trieste), UCLA)

arxiv:1005.2154 v1 · 2010-05-12 · 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{VOMQ7A64LDY7VPVIKSJBKP5FBD}

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	2026-05-18T02:07:33.653351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab990f83dc58f1fabea85492153fa508d06532abb3b2f4fe92ca24c6f6f5fb08

Aliases

arxiv: 1005.2154 · arxiv_version: 1005.2154v1 · doi: 10.48550/arxiv.1005.2154 · pith_short_12: VOMQ7A64LDY7 · pith_short_16: VOMQ7A64LDY7VPVI · pith_short_8: VOMQ7A64

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/VOMQ7A64LDY7VPVIKSJBKP5FBD \
  | 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: ab990f83dc58f1fabea85492153fa508d06532abb3b2f4fe92ca24c6f6f5fb08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c585f61760caaec6363d61caddfb364358d1cbc9c4e6f4fe1c795ea3199274cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-12T17:02:46Z",
    "title_canon_sha256": "1364878b8467fd5ce956ae15fbbf3364ee886e1b4f5716da2897adf262e7e476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2154",
    "kind": "arxiv",
    "version": 1
  }
}