Pith Number

pith:YMAYB2XG

pith:2011:YMAYB2XGTTO5G5MDYWMKGGQV6C

not attested not anchored not stored refs pending

A Stromgren view of the multiple populations in globular clusters

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

arxiv:1109.3199 v1 · 2011-09-14 · 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{YMAYB2XGTTO5G5MDYWMKGGQV6C}

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	2026-05-18T02:00:32.790408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30180eae69cddd37583c598a31a15f0b89986496dccb3d5d4d29f435ca617a9

Aliases

arxiv: 1109.3199 · arxiv_version: 1109.3199v1 · doi: 10.48550/arxiv.1109.3199 · pith_short_12: YMAYB2XGTTO5 · pith_short_16: YMAYB2XGTTO5G5MD · pith_short_8: YMAYB2XG

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/YMAYB2XGTTO5G5MDYWMKGGQV6C \
  | 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: c30180eae69cddd37583c598a31a15f0b89986496dccb3d5d4d29f435ca617a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2504e6bce3d596381f9fe5a764de247b3ac6dba89a8b6013bd8f1c21fd2ce2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-14T20:02:47Z",
    "title_canon_sha256": "755ae826027f2b8e7d97bf4c00bd006a4ca79de7b20f515f8a297228e6a08224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3199",
    "kind": "arxiv",
    "version": 1
  }
}