Pith Number

pith:FASFX2FO

pith:2025:FASFX2FO7NZXRNJGRQXBJBGHTT

not attested not anchored not stored refs pending

A Comparative Study of Halo Mass Estimates from Group Catalogs and Lensing Signals

Chunxiang Wang, Huanyuan Shan, Ji Yao, Ran Li, Weiwei Xu, Xinyue Chen

arxiv:2507.20294 v1 · 2025-07-27 · 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{FASFX2FO7NZXRNJGRQXBJBGHTT}

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	2026-07-05T11:44:16.635094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28245be8aefb7378b5268c2e1484c79cc7923e049f546eb79391aef62a46e6f9

Aliases

arxiv: 2507.20294 · arxiv_version: 2507.20294v1 · doi: 10.48550/arxiv.2507.20294 · pith_short_12: FASFX2FO7NZX · pith_short_16: FASFX2FO7NZXRNJG · pith_short_8: FASFX2FO

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/FASFX2FO7NZXRNJGRQXBJBGHTT \
  | 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: 28245be8aefb7378b5268c2e1484c79cc7923e049f546eb79391aef62a46e6f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327c7c01a7b2528f1bcf579106a8f6540390c37008ea22be08d95e5ee5d342bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-27T14:16:27Z",
    "title_canon_sha256": "2529a02ba7f8f1580f8eb3b2d9e5b6fc53cca48ab8873dfe355551a3c638028a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20294",
    "kind": "arxiv",
    "version": 1
  }
}