Pith Number

pith:RSN4NDKB

pith:2003:RSN4NDKBWCHWAQGIIZECGEC63C

not attested not anchored not stored refs pending

SMAUG: a new technique for the deprojection of galaxy clusters

2), F. Pizzolato (1, S. De Grandi (3) ((1) IASF/CNR Sezione di Milano (2) Universita` dell'Insubria (3) Osservatorio Astronomico di Brera-Merate), S. Ghizzardi (1), S. Molendi (1)

arxiv:astro-ph/0304016 v1 · 2003-04-01 · 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{RSN4NDKBWCHWAQGIIZECGEC63C}

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	2026-07-04T16:36:46.448916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9bc68d41b08f6040c8464823105ed8aa178aad4b3e825022697528e85fa3da

Aliases

arxiv: astro-ph/0304016 · arxiv_version: astro-ph/0304016v1 · doi: 10.48550/arxiv.astro-ph/0304016 · pith_short_12: RSN4NDKBWCHW · pith_short_16: RSN4NDKBWCHWAQGI · pith_short_8: RSN4NDKB

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/RSN4NDKBWCHWAQGIIZECGEC63C \
  | 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: 8c9bc68d41b08f6040c8464823105ed8aa178aad4b3e825022697528e85fa3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c706e15e458b7c82887908244a2e97cfff312ee993733d897e0ec3dec921886d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-01T11:31:16Z",
    "title_canon_sha256": "69203ec830d82b831ecf14b091d701e9c36f4c6a206ad9e7e5c2b125a6b639be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304016",
    "kind": "arxiv",
    "version": 1
  }
}