Pith Number

pith:ZY2F35BN

pith:2010:ZY2F35BNJITLABX43YUZJDKLMM

not attested not anchored not stored refs pending

XMM-Newton Observations Reveal Very High X-ray Luminosity from the Carbon-rich Wolf-Rayet Star WR 48a

Marc Gagne, Stephen L. Skinner, Svetozar A. Zhekov

arxiv:1012.2211 v1 · 2010-12-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZY2F35BNJITLABX43YUZJDKLMM}

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	2026-05-18T02:04:30.684176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce345df42d4a26b006fcde29948d4b6321d6049b55a6d3c32f5da92e61b61eb4

Aliases

arxiv: 1012.2211 · arxiv_version: 1012.2211v1 · doi: 10.48550/arxiv.1012.2211 · pith_short_12: ZY2F35BNJITL · pith_short_16: ZY2F35BNJITLABX4 · pith_short_8: ZY2F35BN

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/ZY2F35BNJITLABX43YUZJDKLMM \
  | 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: ce345df42d4a26b006fcde29948d4b6321d6049b55a6d3c32f5da92e61b61eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba9583a6b28eeb52064c75846324ef4279605e982cf32ce00b4da3109b1a95f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-10T09:14:54Z",
    "title_canon_sha256": "7b07222087ea14d20d51d3b7b0778584381c8d24668e2f01626d25183fc528dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2211",
    "kind": "arxiv",
    "version": 1
  }
}