Pith Number

pith:HFEF7GQI

pith:2023:HFEF7GQIQTVQHGUJWY4JEU5ODV

not attested not anchored not stored refs pending

A Differentiable Model of the Evolution of Dark Matter Halo Concentration

Andrew P. Hearin, Daisuke Nagai, Dash Stevanovich

arxiv:2309.07854 v2 · 2023-09-14 · 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{HFEF7GQIQTVQHGUJWY4JEU5ODV}

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	2026-07-05T06:54:22.869323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39485f9a0884eb039a89b6389253ae1d6bf634b221cfcd3c23de83e28b9b52bd

Aliases

arxiv: 2309.07854 · arxiv_version: 2309.07854v2 · doi: 10.48550/arxiv.2309.07854 · pith_short_12: HFEF7GQIQTVQ · pith_short_16: HFEF7GQIQTVQHGUJ · pith_short_8: HFEF7GQI

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/HFEF7GQIQTVQHGUJWY4JEU5ODV \
  | 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: 39485f9a0884eb039a89b6389253ae1d6bf634b221cfcd3c23de83e28b9b52bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7846f696bb88ed81633e918822a5819b39f245c26f6ec7e564451fcfd8484b04",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-14T16:59:33Z",
    "title_canon_sha256": "53d85166790f408111f56b08a5b71639c9c1996a385dcd4763709fa3413cbdaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.07854",
    "kind": "arxiv",
    "version": 2
  }
}