Pith Number

pith:MA7B77QG

pith:2026:MA7B77QG7N5AOIFRC2AECMVOJH

not attested not anchored not stored refs pending

The Impact of Star Formation Histories on the Inner Dark Matter Density Slopes of Galaxies

Andrea V. Macci\`o, Arianna Di Cintio, Christopher Brook, Fernando Valenciano, James Bullock, Jorge Sarrato-Al\'os

arxiv:2601.17113 v2 · 2026-01-23 · 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{MA7B77QG7N5AOIFRC2AECMVOJH}

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	2026-06-03T14:05:46.221803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603e1ffe06fb7a0720b116804132ae49c939651b77074da26bd08346ca7af69d

Aliases

arxiv: 2601.17113 · arxiv_version: 2601.17113v2 · doi: 10.48550/arxiv.2601.17113 · pith_short_12: MA7B77QG7N5A · pith_short_16: MA7B77QG7N5AOIFR · pith_short_8: MA7B77QG

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/MA7B77QG7N5AOIFRC2AECMVOJH \
  | 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: 603e1ffe06fb7a0720b116804132ae49c939651b77074da26bd08346ca7af69d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c25ea634133e2420a3c45e3356e96213f5f1b182145e33faf5035b3526a615",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-01-23T19:00:00Z",
    "title_canon_sha256": "d3a6a9a84e820ef124218335dedc704498dbaf182a833fe824efbf1c865850b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.17113",
    "kind": "arxiv",
    "version": 2
  }
}