Pith Number

pith:4MCZ7HDA

pith:2012:4MCZ7HDAOKP6LMV6KFORFNCLZH

not attested not anchored not stored refs pending

Spectroscopic analysis of the two subgiant branches of the globular cluster NGC1851

A. Bragaglia, A. Sollima, D. Geisler, E. Carretta, R. G. Gratton, S. Cassisi, S. Lucatello, S. Villanova

arxiv:1205.5719 v1 · 2012-05-25 · 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{4MCZ7HDAOKP6LMV6KFORFNCLZH}

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	2026-05-18T01:57:17.225443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3059f9c60729fe5b2be515d12b44bc9ca671e639180a8be54af1c66caa045d8

Aliases

arxiv: 1205.5719 · arxiv_version: 1205.5719v1 · doi: 10.48550/arxiv.1205.5719 · pith_short_12: 4MCZ7HDAOKP6 · pith_short_16: 4MCZ7HDAOKP6LMV6 · pith_short_8: 4MCZ7HDA

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/4MCZ7HDAOKP6LMV6KFORFNCLZH \
  | 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: e3059f9c60729fe5b2be515d12b44bc9ca671e639180a8be54af1c66caa045d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269aceab045a197ec2df6e486de22c0e2e086962059f0d03918167343b9985ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-25T15:17:15Z",
    "title_canon_sha256": "c897f0e93c1ef4bb358fddf98d9f94c4c2df1286eeb66e45a083211561cee375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5719",
    "kind": "arxiv",
    "version": 1
  }
}