Pith Number

pith:W7D2HS7K

pith:2002:W7D2HS7KRW3EDUI5E76YBCH7AD

not attested not anchored not stored refs pending

The soft X-ray background towards the northern sky. A detailed analysis of the Milky Way halo

J. Kerp, J. Pradas, P. M. W. Kalberla

arxiv:astro-ph/0211427 v1 · 2002-11-19 · 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{W7D2HS7KRW3EDUI5E76YBCH7AD}

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	2026-05-18T01:40:39.992975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c7a3cbea8db641d11d27fd8088ff00d933747da411d63c95fd8c9f2a2a9b5b

Aliases

arxiv: astro-ph/0211427 · arxiv_version: astro-ph/0211427v1 · doi: 10.48550/arxiv.astro-ph/0211427 · pith_short_12: W7D2HS7KRW3E · pith_short_16: W7D2HS7KRW3EDUI5 · pith_short_8: W7D2HS7K

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/W7D2HS7KRW3EDUI5E76YBCH7AD \
  | 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: b7c7a3cbea8db641d11d27fd8088ff00d933747da411d63c95fd8c9f2a2a9b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8549c1e7d966a87d7d49bfcda0e7622648a770ed3c60451caf43b86d6e913697",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-19T15:36:29Z",
    "title_canon_sha256": "dca8d044873295c0929ea37e7505aedbd59bcb5e456731ec90c533bc955f0130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211427",
    "kind": "arxiv",
    "version": 1
  }
}