Pith Number

pith:47I7BYPK

pith:2013:47I7BYPKYIUBA3VVLW6RDCY62A

not attested not anchored not stored refs pending

Why the globular cluster NGC 6752 contains no sodium-rich second-generation AGB star

Corinne Charbonnel, Daniel Schaerer, Georges Meynet, Thibaut Decressin, William Chantereau

arxiv:1309.2073 v1 · 2013-09-09 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47I7BYPKYIUBA3VVLW6RDCY62A}

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	2026-05-18T01:47:44.392685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d1f0e1eac228106eb55dbd118b1ed033210707c782b4c6163ad02a28052296

Aliases

arxiv: 1309.2073 · arxiv_version: 1309.2073v1 · doi: 10.48550/arxiv.1309.2073 · pith_short_12: 47I7BYPKYIUB · pith_short_16: 47I7BYPKYIUBA3VV · pith_short_8: 47I7BYPK

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/47I7BYPKYIUBA3VVLW6RDCY62A \
  | 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: e7d1f0e1eac228106eb55dbd118b1ed033210707c782b4c6163ad02a28052296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac6943b8b03e99aef3a5370ae1464e09bd5acf8e2a4618152165357871a70441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-09T09:08:15Z",
    "title_canon_sha256": "e4a9dfb4039b46d078822816b8431d68778cdc32b7850c5e92b50a0ed2810667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2073",
    "kind": "arxiv",
    "version": 1
  }
}