Pith Number

pith:FO5ZHBBM

pith:2025:FO5ZHBBMRTZM4SJULPD4HVPMT6

not attested not anchored not stored refs pending

Optical+NIR analysis of a Newly Confirmed Einstein ring at z$\sim$1 from the Kilo-Degree Survey: Dark matter fraction, total and dark matter density slope and IMF

Alexey Sergeyev, Chiara Spiniello, Crescenzo Tortora, Francesco La Barbera, Giuseppe D Ago, Haicheng Feng, Hui Li, Kai Zhu, Koen Kuijken, Leon V. E. Koopmans, Liang Gao, Linghua Xie, Mario Radovich, Nicola R. Napolitano, Ran Li, Rui Li, Vyacheslav N. Shalyapin, Xiaotong Guo, Zhiqi Huang

arxiv:2503.10180 v2 · 2025-03-13 · 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{FO5ZHBBMRTZM4SJULPD4HVPMT6}

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	2026-07-05T12:02:42.085607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bbb93842c8cf2ce49345bc7c3d5ec9faf4f9feb28897e6da42c6653c180714f

Aliases

arxiv: 2503.10180 · arxiv_version: 2503.10180v2 · doi: 10.48550/arxiv.2503.10180 · pith_short_12: FO5ZHBBMRTZM · pith_short_16: FO5ZHBBMRTZM4SJU · pith_short_8: FO5ZHBBM

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/FO5ZHBBMRTZM4SJULPD4HVPMT6 \
  | 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: 2bbb93842c8cf2ce49345bc7c3d5ec9faf4f9feb28897e6da42c6653c180714f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781bbc17037cbd42db08fef50b90d95cfedae81ee3453ea228b9e68cdf25bda5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-13T09:08:24Z",
    "title_canon_sha256": "455be0580e913fe760e2126ac3143a39ab98f7c435eae479be92970e924aa14c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.10180",
    "kind": "arxiv",
    "version": 2
  }
}