Pith Number

pith:2IKKIBXV

pith:2021:2IKKIBXV3VIFTU4LKXMB2WJOLK

not attested not anchored not stored refs pending

Galactic rotation curves versus ultralight dark matter: A systematic comparison with SPARC data

Chen Sun, Kfir Blum, Nitsan Bar

arxiv:2111.03070 v2 · 2021-11-04 · hep-ph · 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{2IKKIBXV3VIFTU4LKXMB2WJOLK}

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.

Cited by

2 papers in Pith

Self-gravitating quantum stars with a globally relevant Bohm potential

Testing Scalar Field Dark Matter models in M31 galaxy through the Rotation Curve analysis

Receipt and verification

First computed	2026-07-05T04:18:28.793371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d214a406f5dd5059d38b55d81d592e5a986b0913c2b41ab203ab4031a5c32ed5

Aliases

arxiv: 2111.03070 · arxiv_version: 2111.03070v2 · doi: 10.48550/arxiv.2111.03070 · pith_short_12: 2IKKIBXV3VIF · pith_short_16: 2IKKIBXV3VIFTU4L · pith_short_8: 2IKKIBXV

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/2IKKIBXV3VIFTU4LKXMB2WJOLK \
  | 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: d214a406f5dd5059d38b55d81d592e5a986b0913c2b41ab203ab4031a5c32ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f1386f95b4aaa5f34e528b4a77872c443d1d24e955f1eda9c24ddf95ed6f39",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-11-04T18:00:01Z",
    "title_canon_sha256": "07d7f51a581a094e747028b5ef8b2e75c02b746909c07ba3e39aa6cd766fa7ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03070",
    "kind": "arxiv",
    "version": 2
  }
}