Pith Number

pith:NXX6G436

pith:2002:NXX6G436A46USVYDAO2ZETZ5RN

not attested not anchored not stored refs pending

Statistical Identification of XMM-Newton Sources Using XID Database

Houri Ziaeepour, Simon Rosen

arxiv:astro-ph/0211188 v2 · 2002-11-09 · 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{NXX6G436A46USVYDAO2ZETZ5RN}

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	2026-05-18T01:40:40.116011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6defe3737e073d49570303b5924f3d8b6fc0e049e6e6f5f156aab1895fe297c7

Aliases

arxiv: astro-ph/0211188 · arxiv_version: astro-ph/0211188v2 · doi: 10.48550/arxiv.astro-ph/0211188 · pith_short_12: NXX6G436A46U · pith_short_16: NXX6G436A46USVYD · pith_short_8: NXX6G436

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/NXX6G436A46USVYDAO2ZETZ5RN \
  | 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: 6defe3737e073d49570303b5924f3d8b6fc0e049e6e6f5f156aab1895fe297c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906092a2bfac3396287fa6d00840a44f048a7bc11f76c37b728718cc2e14ac01",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-09T19:27:48Z",
    "title_canon_sha256": "95689c3eedfad360a4856c8fb10a09d6b92b7fcc150aa20cec103506e2c62e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211188",
    "kind": "arxiv",
    "version": 2
  }
}