Pith Number

pith:43ZV7AWW

pith:2012:43ZV7AWWOKLRKHXYZUXR3WPIUN

not attested not anchored not stored refs pending

Star-galaxy separation in the AKARI NEP Deep Field

A. Pepiak, A. Pollo, A. Solarz, C. P. Pearson, H. Hanami, H. Matsuhara, S. Oyabu, T. Goto, T. Ishigaki, T. Takagi, T. T. Takeuchi, T. Wada, Y. Ohyama

arxiv:1203.1931 v2 · 2012-03-08 · astro-ph.IM · 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{43ZV7AWWOKLRKHXYZUXR3WPIUN}

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	2026-05-18T01:58:12.730236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f35f82d67297151ef8cd2f1dd9e8a3435b69731fad3d51351e322a490cd281

Aliases

arxiv: 1203.1931 · arxiv_version: 1203.1931v2 · doi: 10.48550/arxiv.1203.1931 · pith_short_12: 43ZV7AWWOKLR · pith_short_16: 43ZV7AWWOKLRKHXY · pith_short_8: 43ZV7AWW

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/43ZV7AWWOKLRKHXYZUXR3WPIUN \
  | 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: e6f35f82d67297151ef8cd2f1dd9e8a3435b69731fad3d51351e322a490cd281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c0b30a9eb98b2f22175f48737d29975d83eefae295074167c5407eab0d526c6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-08T21:01:09Z",
    "title_canon_sha256": "289cc7f3ab60441f5ad5076e0891a710e292e6b4b4f4485b6b9b388b6752c9f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1931",
    "kind": "arxiv",
    "version": 2
  }
}