Pith Number

pith:BKNB4MRZ

pith:2004:BKNB4MRZJGWY62EQCU3YJU2OAD

not attested not anchored not stored refs pending

Multicolor Photometric Observations of Optical Candidates to Faint ROSAT X-ray Sources in a 1 deg$^2$ field of the BATC Survey

David Burstein, Haotong Zhang, Hong Wu, Jiansheng Chen, Jun Ma, Suijian Xue, Xu Zhou, Zhaoji Jiang, Zhenlong Zou

arxiv:astro-ph/0403086 v1 · 2004-03-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKNB4MRZJGWY62EQCU3YJU2OAD}

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	2026-05-18T03:27:02.170946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9a1e323949ad8f6890153784d34e00f7f5960405c96ae632c8e57005c48b71

Aliases

arxiv: astro-ph/0403086 · arxiv_version: astro-ph/0403086v1 · doi: 10.48550/arxiv.astro-ph/0403086 · pith_short_12: BKNB4MRZJGWY · pith_short_16: BKNB4MRZJGWY62EQ · pith_short_8: BKNB4MRZ

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/BKNB4MRZJGWY62EQCU3YJU2OAD \
  | 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: 0a9a1e323949ad8f6890153784d34e00f7f5960405c96ae632c8e57005c48b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1050109352ce258b50abc085de2dac2315f44e1ab184194364511a1294a500b2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-03T05:18:08Z",
    "title_canon_sha256": "758410a8230a07badb7585f9309507b41b128d210ba1650bccfc60c8db9b4fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403086",
    "kind": "arxiv",
    "version": 1
  }
}