Pith Number

pith:KA6WEZ3B

pith:2000:KA6WEZ3BPDTIGOOBXQRCHZQRTY

not attested not anchored not stored refs pending

The Discovery of a Luminous z=5.80 Quasar from the Sloan Digital Sky Survey

D. P. Schneider, et al, G. R. Knapp, J. E. Gunn, M. A. Strauss, M. Davis, M. D. Gregg, R. H. Becker, R. H. Lupton, R. L. White, X. Fan, Z. Haiman

arxiv:astro-ph/0005414 v1 · 2000-05-19 · 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{KA6WEZ3BPDTIGOOBXQRCHZQRTY}

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.

Cited by

1 paper in Pith

Gravitational Lensing by Black Holes in Einstein-nonlinear Electrodynamic Theories with Multiple Photon Spheres

Receipt and verification

First computed	2026-07-04T16:16:41.603185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503d62676178e68339c1bc2223e6119e0fd18186efb33c44548a81c95c1a3528

Aliases

arxiv: astro-ph/0005414 · arxiv_version: astro-ph/0005414v1 · doi: 10.48550/arxiv.astro-ph/0005414 · pith_short_12: KA6WEZ3BPDTI · pith_short_16: KA6WEZ3BPDTIGOOB · pith_short_8: KA6WEZ3B

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/KA6WEZ3BPDTIGOOBXQRCHZQRTY \
  | 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: 503d62676178e68339c1bc2223e6119e0fd18186efb33c44548a81c95c1a3528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736bf1f41f390f6135279729d9fcf0f28f572e3ff530c5a4fd64ab470ea6b866",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-19T22:01:33Z",
    "title_canon_sha256": "a7754287e34c93dcd26683744010ccb0ab5f65ec9e7ef0ebf3e69e3f5319d7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005414",
    "kind": "arxiv",
    "version": 1
  }
}