Pith Number

pith:3XQBUUQL

pith:2011:3XQBUUQLNL2FWKI25JAKEJENH2

not attested not anchored not stored refs pending

Sulphur in the metal poor globular cluster NGC 6397

Andreas Koch, Elisabetta Caffau

arxiv:1108.6054 v1 · 2011-08-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XQBUUQLNL2FWKI25JAKEJENH2}

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	2026-05-18T02:00:44.511442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dde01a520b6af45b291aea40a2248d3ea4252ac329711e1637556e582581be22

Aliases

arxiv: 1108.6054 · arxiv_version: 1108.6054v1 · doi: 10.48550/arxiv.1108.6054 · pith_short_12: 3XQBUUQLNL2F · pith_short_16: 3XQBUUQLNL2FWKI2 · pith_short_8: 3XQBUUQL

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/3XQBUUQLNL2FWKI25JAKEJENH2 \
  | 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: dde01a520b6af45b291aea40a2248d3ea4252ac329711e1637556e582581be22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb072d8890ae1f3be515f835988ef74a094c43625da28e4a47ae5adb866af904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-30T20:00:00Z",
    "title_canon_sha256": "c9084ac390a0eab0b607c4402dd4e72724561e7b924586eeaf57452d8c867db6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6054",
    "kind": "arxiv",
    "version": 1
  }
}