Pith Number

pith:DT372E7A

pith:2019:DT372E7AG6LTMO7PBZXZUPHODV

not attested not anchored not stored refs pending

The Core-Cusp Problem Revisited: ULDM vs. CDM

Emily Kendall, Richard Easther

arxiv:1908.02508 v3 · 2019-08-07 · 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{DT372E7AG6LTMO7PBZXZUPHODV}

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	2026-07-05T00:51:29.802038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf7fd13e03797363bef0e6f9a3cee1d40611f715bb3c58c1d417ed2ae32799e

Aliases

arxiv: 1908.02508 · arxiv_version: 1908.02508v3 · doi: 10.48550/arxiv.1908.02508 · pith_short_12: DT372E7AG6LT · pith_short_16: DT372E7AG6LTMO7P · pith_short_8: DT372E7A

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/DT372E7AG6LTMO7PBZXZUPHODV \
  | 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: 1cf7fd13e03797363bef0e6f9a3cee1d40611f715bb3c58c1d417ed2ae32799e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f48de220213c2979611079341f756d88f0bb3e051b201d5d8f3fdda628fd09",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-07T10:04:19Z",
    "title_canon_sha256": "3f02ae0e3c2047a071f86aeb86b6945c1974b80298cda7840121f3e0d985e55f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02508",
    "kind": "arxiv",
    "version": 3
  }
}