Pith Number

pith:B5MLQZVI

pith:2013:B5MLQZVIGQAWVTIIM7AWLCV7F2

not attested not anchored not stored refs pending

Gradients of Stellar Population Properties and Evolution Clues in a Nearby Galaxy M 101

Hu Zou, Lin Lin, Xuanbin Lin, Xu Kong, Xu Zhou, Yewei Mao, Zhaoji Jiang

arxiv:1304.3017 v1 · 2013-04-10 · 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{B5MLQZVIGQAWVTIIM7AWLCV7F2}

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	2026-05-18T01:50:40.339840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f58b866a834016acd0867c1658abf2ea45e4bf8a939eb6b89973cbdb9e0666b

Aliases

arxiv: 1304.3017 · arxiv_version: 1304.3017v1 · doi: 10.48550/arxiv.1304.3017 · pith_short_12: B5MLQZVIGQAW · pith_short_16: B5MLQZVIGQAWVTII · pith_short_8: B5MLQZVI

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/B5MLQZVIGQAWVTIIM7AWLCV7F2 \
  | 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: 0f58b866a834016acd0867c1658abf2ea45e4bf8a939eb6b89973cbdb9e0666b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2a687aac48d2e5146811e92ef20b7865d3a5a3f054a940ed091811e324e8e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-10T16:22:56Z",
    "title_canon_sha256": "3c07d148839942a1c24169291782c12f91d3cf00679372d921d8f6c38a29abb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3017",
    "kind": "arxiv",
    "version": 1
  }
}