Pith Number

pith:3E4EE6VF

pith:2009:3E4EE6VFISZETGC3TJLXPGDD5D

not attested not anchored not stored refs pending

The Helium content of Globular Clusters: light element abundance correlations and HB morphology. I. NGC6752

G. Piotto, R.G. Gratton, S. Villanova

arxiv:0903.3924 v1 · 2009-03-23 · 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{3E4EE6VFISZETGC3TJLXPGDD5D}

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	2026-05-18T02:14:26.475221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d938427aa544b249985b9a57779863e8f0c0223372c0008704f3415f24f60e25

Aliases

arxiv: 0903.3924 · arxiv_version: 0903.3924v1 · doi: 10.48550/arxiv.0903.3924 · pith_short_12: 3E4EE6VFISZE · pith_short_16: 3E4EE6VFISZETGC3 · pith_short_8: 3E4EE6VF

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/3E4EE6VFISZETGC3TJLXPGDD5D \
  | 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: d938427aa544b249985b9a57779863e8f0c0223372c0008704f3415f24f60e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65392842b4266e238999871dbd3590abf1da5c2e2c244b9355f53f06196122bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-23T18:34:29Z",
    "title_canon_sha256": "188dda06e03cb34c5228fe1cd94870aea1c29c22d998371bb0ed620b3e79c74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3924",
    "kind": "arxiv",
    "version": 1
  }
}