Pith Number

pith:32ZFIWXF

pith:2011:32ZFIWXF4MDR2UYKAVJROAF4MR

not attested not anchored not stored refs pending

Stellar Population Properties and Evolution Analysis of NGC 628 with the Panchromatic Photometry

Hu Zou, Jianghua Wu, Jun Ma, Tianmeng Zhang, Wei Zhang, Xu Zhou, Yanbin Yang, Zhaoji Jiang, Zhenyu Wu, Zhou Fan

arxiv:1104.5177 v1 · 2011-04-27 · 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{32ZFIWXF4MDR2UYKAVJROAF4MR}

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	2026-05-18T02:02:14.077800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deb2545ae5e3071d530a05531700bc64629dc4a8d827c84aab5248777efd379f

Aliases

arxiv: 1104.5177 · arxiv_version: 1104.5177v1 · doi: 10.48550/arxiv.1104.5177 · pith_short_12: 32ZFIWXF4MDR · pith_short_16: 32ZFIWXF4MDR2UYK · pith_short_8: 32ZFIWXF

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/32ZFIWXF4MDR2UYKAVJROAF4MR \
  | 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: deb2545ae5e3071d530a05531700bc64629dc4a8d827c84aab5248777efd379f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27664c47965fcff42518913b1f094350e90a15ae2ca77c4260a2ce74e526f4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-27T16:11:45Z",
    "title_canon_sha256": "fc05c013be3fc66fb4048253e6fbf2d8b5d9f9818f7eb2a4ea8fdd087458e3ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5177",
    "kind": "arxiv",
    "version": 1
  }
}