Pith Number

pith:TZI7X3LH

pith:2014:TZI7X3LHNNEYFCEU3SVVS2L6CT

not attested not anchored not stored refs pending

Red Giants in the Small Magellanic Cloud. II. Metallicity Gradient and Age-Metallicity Relation

A. A. Cole, A. Subramaniam, P. D. Dobbie, S. Keller

arxiv:1405.6452 v1 · 2014-05-26 · 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{TZI7X3LHNNEYFCEU3SVVS2L6CT}

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	2026-05-18T01:43:06.538651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e51fbed676b49828894dcab59697e14f3b54ef25d38ce73c402d3279b2a7ef4

Aliases

arxiv: 1405.6452 · arxiv_version: 1405.6452v1 · doi: 10.48550/arxiv.1405.6452 · pith_short_12: TZI7X3LHNNEY · pith_short_16: TZI7X3LHNNEYFCEU · pith_short_8: TZI7X3LH

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/TZI7X3LHNNEYFCEU3SVVS2L6CT \
  | 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: 9e51fbed676b49828894dcab59697e14f3b54ef25d38ce73c402d3279b2a7ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e13ea9b371de24a44b71e74a6e589d85d21f7d3bd2f2fa120039649672c298f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-26T02:39:30Z",
    "title_canon_sha256": "93a3d678cadb8fbf422113cf6101ab91d5c7b37e784986c44834f379f287b33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6452",
    "kind": "arxiv",
    "version": 1
  }
}