Pith Number

pith:N2XBMTQ7

pith:2010:N2XBMTQ7BHU5G3QTELT3GFMT5Q

not attested not anchored not stored refs pending

Metallicity of the Fossil Group NGC 1550 Observed with Suzaku

Kazuhiro Nakazawa, Kosuke Sato, Kyoko Matsushita, Madoka Kawaharada, Noriko Y. Yamasaki, Takaya Ohashi, Yoshitaka Ishisaki

arxiv:1009.4173 v2 · 2010-09-21 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2XBMTQ7BHU5G3QTELT3GFMT5Q}

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	2026-05-18T02:05:19.107092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eae164e1f09e9d36e1322e7b31593ec1f8841fe1e497157a9a9662b4d02a74c

Aliases

arxiv: 1009.4173 · arxiv_version: 1009.4173v2 · doi: 10.48550/arxiv.1009.4173 · pith_short_12: N2XBMTQ7BHU5 · pith_short_16: N2XBMTQ7BHU5G3QT · pith_short_8: N2XBMTQ7

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/N2XBMTQ7BHU5G3QTELT3GFMT5Q \
  | 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: 6eae164e1f09e9d36e1322e7b31593ec1f8841fe1e497157a9a9662b4d02a74c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c2851ad5e9be09bd648220af295eb836baf2939a98c7227dd3879f5b9542b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-21T19:05:33Z",
    "title_canon_sha256": "737594872d8331d2b6ded76680c71aee75636a9c877ff910d4767a1be7e1b588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4173",
    "kind": "arxiv",
    "version": 2
  }
}