Pith Number

pith:ZO32ZFDY

pith:2003:ZO32ZFDYPJWDI7QWIWRMFFOZVU

not attested not anchored not stored refs pending

On the Chandra X-ray Sources in the Galactic Center

Krzysztof Belczynski, Ronald E. Taam

arxiv:astro-ph/0311287 v2 · 2003-11-12 · 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{ZO32ZFDYPJWDI7QWIWRMFFOZVU}

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	2026-05-18T01:07:33.182297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb7ac94787a6c347e1645a2c295d9ad05b39f081595dc022aff6bdd3c072e85

Aliases

arxiv: astro-ph/0311287 · arxiv_version: astro-ph/0311287v2 · doi: 10.48550/arxiv.astro-ph/0311287 · pith_short_12: ZO32ZFDYPJWD · pith_short_16: ZO32ZFDYPJWDI7QW · pith_short_8: ZO32ZFDY

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/ZO32ZFDYPJWDI7QWIWRMFFOZVU \
  | 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: cbb7ac94787a6c347e1645a2c295d9ad05b39f081595dc022aff6bdd3c072e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd9902edc40963d2dd7058d32040c0463831d949487dfe5b0cfb55255f2fa903",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-12T18:02:31Z",
    "title_canon_sha256": "e53f588e433b8117cf0b8fec73cda4df9d3987ce895410e089b38a20e04dbb10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311287",
    "kind": "arxiv",
    "version": 2
  }
}