Pith Number

pith:KCQEPSWP

pith:2003:KCQEPSWPRDOMNWHSQTJPG26GVZ

not attested not anchored not stored refs pending

Diffuse X-ray emission in spiral galaxies

A. C. Quillen, A. La Page, G. H. Rieke, K. Tyler

arxiv:astro-ph/0308102 v1 · 2003-08-06 · 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{KCQEPSWPRDOMNWHSQTJPG26GVZ}

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	2026-07-04T16:51:25.735281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50a047cacf88dcc6d8f284d2f36bc6ae72aca3cabb1d1132b5889bae46f28aa1

Aliases

arxiv: astro-ph/0308102 · arxiv_version: astro-ph/0308102v1 · doi: 10.48550/arxiv.astro-ph/0308102 · pith_short_12: KCQEPSWPRDOM · pith_short_16: KCQEPSWPRDOMNWHS · pith_short_8: KCQEPSWP

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/KCQEPSWPRDOMNWHSQTJPG26GVZ \
  | 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: 50a047cacf88dcc6d8f284d2f36bc6ae72aca3cabb1d1132b5889bae46f28aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cae8d5386e540428f80c5f370f78b71bfb3e3e811a397fa029d6bc80f84d3b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-06T19:21:38Z",
    "title_canon_sha256": "c994280bd781f61a219b4752a108bf727546b417344d1263d81916168e7988f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308102",
    "kind": "arxiv",
    "version": 1
  }
}