Pith Number

pith:5YGXZ6HZ

pith:2009:5YGXZ6HZLW6ICM5254W7754XYC

not attested not anchored not stored refs pending

The unusual spectral energy distribution of LBQS 0102-2713

K. Linguri, M. Weigand, Th. Boller, T. Heftrich

arxiv:0905.0808 v1 · 2009-05-06 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YGXZ6HZLW6ICM5254W7754XYC}

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	2026-05-18T04:29:43.162730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee0d7cf8f95dbc8133baef2dfff797c09b3a236f6332fa68eb4544390a412230

Aliases

arxiv: 0905.0808 · arxiv_version: 0905.0808v1 · doi: 10.48550/arxiv.0905.0808 · pith_short_12: 5YGXZ6HZLW6I · pith_short_16: 5YGXZ6HZLW6ICM52 · pith_short_8: 5YGXZ6HZ

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/5YGXZ6HZLW6ICM5254W7754XYC \
  | 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: ee0d7cf8f95dbc8133baef2dfff797c09b3a236f6332fa68eb4544390a412230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b1a35545ad34239b92ab21e41a32149f7dcaac0307d5604c5be86fcbbc35eb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-06T11:51:42Z",
    "title_canon_sha256": "396f417cf0ad4844bd45b3511e6fee9fc3e038ef0203ff23bf75da11d09cc87a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0808",
    "kind": "arxiv",
    "version": 1
  }
}