Pith Number

pith:EFUDSLIB

pith:2011:EFUDSLIBP52SO2CIQEKKRY6TNV

not attested not anchored not stored refs pending

Multiple stellar populations in 47 Tucanae

A. Aparicio, A. Bellini, A. Bragaglia, A. F. Marino, A. Pietrinferni, A. P. Milone, A. Renzini, E. Carretta, F. D'Antona, G. Piotto, I. R. King, J. Anderson, L. R. Bedin, M. Di Criscienzo, M. Monelli, P. B. Stetson, R. Gratton, S. Cassisi, S. Lucatello

arxiv:1109.0900 v1 · 2011-09-05 · 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{EFUDSLIBP52SO2CIQEKKRY6TNV}

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	2026-05-18T02:00:39.784335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2168392d017f752768488114a8e3d36d7cacd960f3ed60b658531afb03878f73

Aliases

arxiv: 1109.0900 · arxiv_version: 1109.0900v1 · doi: 10.48550/arxiv.1109.0900 · pith_short_12: EFUDSLIBP52S · pith_short_16: EFUDSLIBP52SO2CI · pith_short_8: EFUDSLIB

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/EFUDSLIBP52SO2CIQEKKRY6TNV \
  | 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: 2168392d017f752768488114a8e3d36d7cacd960f3ed60b658531afb03878f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2059910cb862ac5bb12102709f7c753c52702a4964d804df69af923537f3f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-05T13:48:34Z",
    "title_canon_sha256": "0a585cd602ef8db9fab8757fec2d6c4c54fd18ed735cc758584e755708b41534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0900",
    "kind": "arxiv",
    "version": 1
  }
}