Pith Number

pith:L5DII4QW

pith:2004:L5DII4QWWCR2V3LI2IFZ7FLTGJ

not attested not anchored not stored refs pending

Sloan Digital Sky Survey Quasars in the SWIRE ELAIS N1 Field: Properties and Spectral Energy Distributions

A. Afonso-Luis, A. Franceschini, A. Hernan-Caballero, C.K. Xu, C. Lonsdale, D. Farrah, D. Shupe, E.A. Gonzalez-Solares, E. Hatziminaoglou, F. Fang, F.M. Montenegro-Montes, H.E. Smith, I. Perez-Fournon, J. Surace, M. Polletta, M. Rowan-Robinson, S. Oliver, S. Serjeant, T. Babbedge

arxiv:astro-ph/0410620 v1 · 2004-10-26 · 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{L5DII4QWWCR2V3LI2IFZ7FLTGJ}

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	2026-07-04T14:13:51.040337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f46847216b0a3aaed68d20b9f9573324f89bd4cba0385a4b0ff56f0aaea15be

Aliases

arxiv: astro-ph/0410620 · arxiv_version: astro-ph/0410620v1 · doi: 10.48550/arxiv.astro-ph/0410620 · pith_short_12: L5DII4QWWCR2 · pith_short_16: L5DII4QWWCR2V3LI · pith_short_8: L5DII4QW

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/L5DII4QWWCR2V3LI2IFZ7FLTGJ \
  | 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: 5f46847216b0a3aaed68d20b9f9573324f89bd4cba0385a4b0ff56f0aaea15be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e669ec4dd0a762ed0827bf883403eb45e320585c19ec1d1ad91089b07e6dace9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-26T10:39:30Z",
    "title_canon_sha256": "a7e0516e4417c0f83526de78abfe9e31599394f6231e01a3ba745a31402d3a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410620",
    "kind": "arxiv",
    "version": 1
  }
}