Pith Number

pith:QXN4IA4P

pith:2026:QXN4IA4PA6LDNC4RIYYER3ZTQZ

not attested not anchored not stored refs pending

Modeling the HI-Halo Connection: Evolution, Scatter, and a Halo-based Prescription for 21-cm Mock Catalogs

Fabio Fontanot, Gabriella De Lucia, Lizhi Xie, Marta Spinelli, Michaela Hirschmann, Mohd Kamran

arxiv:2607.20123 v1 · 2026-07-22 · 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{QXN4IA4PA6LDNC4RIYYER3ZTQZ}

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	2026-07-23T01:25:02.627152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85dbc4038f0796368b91463048ef33867117aa57903bb49f6f2bd7242f51c3ad

Aliases

arxiv: 2607.20123 · arxiv_version: 2607.20123v1 · doi: 10.48550/arxiv.2607.20123 · pith_short_12: QXN4IA4PA6LD · pith_short_16: QXN4IA4PA6LDNC4R · pith_short_8: QXN4IA4P

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/QXN4IA4PA6LDNC4RIYYER3ZTQZ \
  | 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: 85dbc4038f0796368b91463048ef33867117aa57903bb49f6f2bd7242f51c3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc5c079dd2f26bf396690456aa78c1fba5e72ee69c1a00a7a937773b7cc1b746",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-22T13:26:39Z",
    "title_canon_sha256": "21492edb96b6634ab2da9635e506b48ff5aa4c537d35f473319688b6f52d5a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20123",
    "kind": "arxiv",
    "version": 1
  }
}