Pith Number

pith:4S5VIPGY

pith:2004:4S5VIPGYUCCOUFHRUXY3RSCDIX

not attested not anchored not stored refs pending

XMM-Newton observation of the relaxed cluster A478: gas and dark matter distribution from 0.01 R_200 to 0.5 R_200

E. Pointecouteau, J. de Plaa, J. Kaastra, M. Arnaud

arxiv:astro-ph/0403596 v2 · 2004-03-25 · 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{4S5VIPGYUCCOUFHRUXY3RSCDIX}

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	2026-07-04T16:43:28.130909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bb543cd8a084ea14f1a5f1b8c84345fdb04f3051861f771b1e383575f9bc73

Aliases

arxiv: astro-ph/0403596 · arxiv_version: astro-ph/0403596v2 · doi: 10.48550/arxiv.astro-ph/0403596 · pith_short_12: 4S5VIPGYUCCO · pith_short_16: 4S5VIPGYUCCOUFHR · pith_short_8: 4S5VIPGY

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/4S5VIPGYUCCOUFHRUXY3RSCDIX \
  | 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: e4bb543cd8a084ea14f1a5f1b8c84345fdb04f3051861f771b1e383575f9bc73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c13b9cb13306cae2589824676cf674f99836947ef49a1bd4842e99e3f0cbdb7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-25T13:42:07Z",
    "title_canon_sha256": "d2bce592e407aec858978afb714dedae43fe3f01ee07f4873177614574b6e8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403596",
    "kind": "arxiv",
    "version": 2
  }
}