Pith Number

pith:YBIHGXK7

pith:2001:YBIHGXK74B6GNX7UNMCSRSRIWZ

not attested not anchored not stored refs pending

Theoretical Models of Multi-waveband QSO Luminosity Functions

K.Yoshikawa, M.Umemura, S.Mineshige, T.Hosokawa, T.Kawaguchi

arxiv:astro-ph/0107255 v2 · 2001-07-14 · 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{YBIHGXK74B6GNX7UNMCSRSRIWZ}

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	2026-05-18T01:40:44.332984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c050735d5fe07c66dff46b0528ca28b6568561ba20980ffd0b80f991ce11f9f2

Aliases

arxiv: astro-ph/0107255 · arxiv_version: astro-ph/0107255v2 · doi: 10.48550/arxiv.astro-ph/0107255 · pith_short_12: YBIHGXK74B6G · pith_short_16: YBIHGXK74B6GNX7U · pith_short_8: YBIHGXK7

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/YBIHGXK74B6GNX7UNMCSRSRIWZ \
  | 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: c050735d5fe07c66dff46b0528ca28b6568561ba20980ffd0b80f991ce11f9f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caacebac4d1a63c352364a772d3c373d5f709f8a42697bb13857970f10717c64",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-14T04:50:52Z",
    "title_canon_sha256": "06b9765daaa15c8afd83b3d85b7334feb7b7d72ee92a93357622f989c95e2b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107255",
    "kind": "arxiv",
    "version": 2
  }
}