Pith Number

pith:VPY6ATMI

pith:2019:VPY6ATMIJOOIWIQEQ5KWBE5RWF

not attested not anchored not stored refs pending

Galaxy disc central surface brightness distribution in the optical and near-infrared bands

H. Wu, L. C. Deng, L. Zhou, M. He, P. S. Zhao, W. B. Shi, W. Du, Y. C. Liang, Y. H. Wang

arxiv:1901.10128 v1 · 2019-01-29 · 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{VPY6ATMIJOOIWIQEQ5KWBE5RWF}

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	2026-05-17T23:55:16.084792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf1e04d884b9c8b220487556093b1b14f7489d86a41fe552b276233facea8a2

Aliases

arxiv: 1901.10128 · arxiv_version: 1901.10128v1 · doi: 10.48550/arxiv.1901.10128 · pith_short_12: VPY6ATMIJOOI · pith_short_16: VPY6ATMIJOOIWIQE · pith_short_8: VPY6ATMI

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/VPY6ATMIJOOIWIQEQ5KWBE5RWF \
  | 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: abf1e04d884b9c8b220487556093b1b14f7489d86a41fe552b276233facea8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1aeca3d49e1208399f5af214b915f76dc1ba7a26576bedda098e285584f6e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-29T06:27:46Z",
    "title_canon_sha256": "3f8a7539c29a29a63f3def87efc0247a51843039ed4f7cc47b9857c3bea7e97e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10128",
    "kind": "arxiv",
    "version": 1
  }
}