pith. sign in
Pith Number

pith:A56M25RL

pith:2010:A56M25RL7SF52VQKLIT2GV5XVN
not attested not anchored not stored refs pending

The helium spread in the Globular cluster 47 Tuc

A. Milone, F. D' Antona, G. Piotto, M. Di Criscienzo, P. Ventura

arxiv:1006.2024 v2 · 2010-06-10 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A56M25RL7SF52VQKLIT2GV5XVN}

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 2026-05-18T02:06:55.159779Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

077ccd762bfc8bdd560a5a27a357b7ab5eed3013753f9a9e456ad1a5ded998fa

Aliases

arxiv: 1006.2024 · arxiv_version: 1006.2024v2 · doi: 10.48550/arxiv.1006.2024 · pith_short_12: A56M25RL7SF5 · pith_short_16: A56M25RL7SF52VQK · pith_short_8: A56M25RL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A56M25RL7SF52VQKLIT2GV5XVN \
  | 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: 077ccd762bfc8bdd560a5a27a357b7ab5eed3013753f9a9e456ad1a5ded998fa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "067f54643f75ae03043fdf6c9ee30445ca74000633a7151d13a4b4164b082a6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-10T13:22:15Z",
    "title_canon_sha256": "d094ce689d28486f49e9cb195ad3edaf7f5e19112bb98d4c452ede8487305b7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2024",
    "kind": "arxiv",
    "version": 2
  }
}