Pith Number

pith:7T77YLFA

pith:2022:7T77YLFALHFXHOZRCE2K3DXKHW

not attested not anchored not stored refs pending

Statistics of Galactic-Scale Quasar Pairs at Cosmic Noon

Hsiang-Chih Hwang, Kaitlin M. Kratter, Masamune Oguri, Nadia Zakamska, Nianyi Chen, Simeon Bird, Tiziana Di Matteo, Xin Liu, Yu-Ching Chen, Yue Shen, Yueying Ni

arxiv:2208.04979 v1 · 2022-08-09 · astro-ph.GA · 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{7T77YLFALHFXHOZRCE2K3DXKHW}

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	2026-07-05T05:59:03.732726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcfffc2ca059cb73bb311134ad8eea3dbf73c345d887ae592395bddec341c362

Aliases

arxiv: 2208.04979 · arxiv_version: 2208.04979v1 · doi: 10.48550/arxiv.2208.04979 · pith_short_12: 7T77YLFALHFX · pith_short_16: 7T77YLFALHFXHOZR · pith_short_8: 7T77YLFA

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/7T77YLFALHFXHOZRCE2K3DXKHW \
  | 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: fcfffc2ca059cb73bb311134ad8eea3dbf73c345d887ae592395bddec341c362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf94caf35708c4c61669afbf70b35005a5a5810f1536d0a5bc5f15995684f9e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-08-09T18:08:38Z",
    "title_canon_sha256": "52080fa50ae2cee3109d5b8c3d05ef792705e2e94fcfa474be3cb723fd5cf614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04979",
    "kind": "arxiv",
    "version": 1
  }
}