Pith Number

pith:IOPRSL3V

pith:2011:IOPRSL3VPVHPPTJMGMQTZTRPFY

not attested not anchored not stored refs pending

Multiple stellar populations in the globular cluster NGC 1851

(2) INAF-Osservatorio Astronomico di Padova), A. Bragaglia (1), Eugenio Carretta (1), Raffaele Gratton (2), Sara Lucatello (2), Valentina D'Orazi (2) ((1) INAF-Osservatorio Astronomico di Bologna

arxiv:1106.3174 v1 · 2011-06-16 · 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{IOPRSL3VPVHPPTJMGMQTZTRPFY}

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	2026-05-18T02:01:36.436859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

439f192f757d4ef7cd2c33213cce2f2e1a851ea44da323ff5617f481858ba4cf

Aliases

arxiv: 1106.3174 · arxiv_version: 1106.3174v1 · doi: 10.48550/arxiv.1106.3174 · pith_short_12: IOPRSL3VPVHP · pith_short_16: IOPRSL3VPVHPPTJM · pith_short_8: IOPRSL3V

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/IOPRSL3VPVHPPTJMGMQTZTRPFY \
  | 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: 439f192f757d4ef7cd2c33213cce2f2e1a851ea44da323ff5617f481858ba4cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad6e0c265afe987147c8c017a4d6c7cd34894467e05a35d6730fd50942c1167",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-16T09:03:10Z",
    "title_canon_sha256": "a20eb77dbc20b45d8fffe1756938262a9be43c17fb58deb43b560372bfeac456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3174",
    "kind": "arxiv",
    "version": 1
  }
}