Pith Number

pith:7KNHKPJ2

pith:2010:7KNHKPJ2PCT6HVXPZ6XLSSP32O

not attested not anchored not stored refs pending

X-ray Emission from Optically Selected Radio-Intermediate and Radio-Loud Quasars

A. T. Steffen, B. P. Miller, D. P. Schneider, Jianfeng Wu, R. R. Gibson, W. N. Brandt

arxiv:1010.4804 v1 · 2010-10-22 · 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{7KNHKPJ2PCT6HVXPZ6XLSSP32O}

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	2026-05-18T02:04:59.393441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa9a753d3a78a7e3d6efcfaeb949fbd3a9ad23bcaf4709cca97a41eae5e8e73a

Aliases

arxiv: 1010.4804 · arxiv_version: 1010.4804v1 · doi: 10.48550/arxiv.1010.4804 · pith_short_12: 7KNHKPJ2PCT6 · pith_short_16: 7KNHKPJ2PCT6HVXP · pith_short_8: 7KNHKPJ2

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/7KNHKPJ2PCT6HVXPZ6XLSSP32O \
  | 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: fa9a753d3a78a7e3d6efcfaeb949fbd3a9ad23bcaf4709cca97a41eae5e8e73a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2482ed675161b316867d92a2083145b4b25da5e10b3cf2e9eaadfa3956f310af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-22T20:03:47Z",
    "title_canon_sha256": "4ee658d27f23742bd43cccbf02a48e1203efa9092014940e9c3ade7a6f7da792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4804",
    "kind": "arxiv",
    "version": 1
  }
}