Pith Number

pith:M75745K6

pith:2019:M75745K6HHND6FENI5KX2CSQVX

not attested not anchored not stored refs pending

Are Milky-Way dwarf-spheroidal galaxies dark-matter free?

C. Babusiaux, F. Arenou, F. Hammer, H. Flores, J. L. Wang, M. Puech, Y. B. Yang

arxiv:1909.07979 v2 · 2019-09-17 · astro-ph.GA · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M75745K6HHND6FENI5KX2CSQVX}

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	2026-07-05T00:06:11.518480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fbfe755e39da3f148d47557d0a50ade4dca56192989c9f8bf726480d686967

Aliases

arxiv: 1909.07979 · arxiv_version: 1909.07979v2 · doi: 10.48550/arxiv.1909.07979 · pith_short_12: M75745K6HHND · pith_short_16: M75745K6HHND6FEN · pith_short_8: M75745K6

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/M75745K6HHND6FENI5KX2CSQVX \
  | 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: 67fbfe755e39da3f148d47557d0a50ade4dca56192989c9f8bf726480d686967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3e5904d97ef683dc8f266bfb9575c8d3cc947b40cb7b7c885fdbf476be81f05",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-17T18:00:00Z",
    "title_canon_sha256": "9687e6349496a3d57fd73eb0938f3a992e7e3ea42e5d2b9a27c6c3de3dbb31fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07979",
    "kind": "arxiv",
    "version": 2
  }
}