Pith Number

pith:WJAATIGK

pith:2013:WJAATIGKXHHWIZ3KOZK2A2ZKQN

not attested not anchored not stored refs pending

Multicolour-metallicity Relations from Globular Clusters in NGC 4486 (M87)

Analia V. Smith Castelli, Douglas Geisler, E. Irene Vega, Favio R. Faifer, Juan C. Forte, Lilia P. Bassino, Sergio A. Cellone

arxiv:1302.3154 v1 · 2013-02-13 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJAATIGKXHHWIZ3KOZK2A2ZKQN}

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	2026-05-18T01:51:41.710684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b24009a0cab9cf64676a7655a06b2a83551662efe7253cc7c7093fc30d9a0fb0

Aliases

arxiv: 1302.3154 · arxiv_version: 1302.3154v1 · doi: 10.48550/arxiv.1302.3154 · pith_short_12: WJAATIGKXHHW · pith_short_16: WJAATIGKXHHWIZ3K · pith_short_8: WJAATIGK

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/WJAATIGKXHHWIZ3KOZK2A2ZKQN \
  | 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: b24009a0cab9cf64676a7655a06b2a83551662efe7253cc7c7093fc30d9a0fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a234b57f5cbacebedb59fe45031b04c62dd9f7457c65299807ada388d0bca9fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-13T16:24:36Z",
    "title_canon_sha256": "0aca2d4ba7d7cb21d4516b7c0a035c7a30341e87fd5b6f62a1a0de55050b35e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3154",
    "kind": "arxiv",
    "version": 1
  }
}