Pith Number

pith:7R66Y3R2

pith:2016:7R66Y3R2XR46MGW5U2RKPF6JQG

not attested not anchored not stored refs pending

Comparative testing of dark matter models with 15 HSB and 15 LSB galaxies

A. Simk\'o, E. Kun, G. Sz\H{u}cs, L. \'A. Gergely, Z. Keresztes

arxiv:1604.02465 v2 · 2016-04-08 · astro-ph.GA · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R66Y3R2XR46MGW5U2RKPF6JQG}

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	2026-05-18T00:28:47.204235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7dec6e3abc79e61adda6a2a797c981b3fb0dc6b6757fa18a4863b6c8989835

Aliases

arxiv: 1604.02465 · arxiv_version: 1604.02465v2 · doi: 10.48550/arxiv.1604.02465 · pith_short_12: 7R66Y3R2XR46 · pith_short_16: 7R66Y3R2XR46MGW5 · pith_short_8: 7R66Y3R2

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/7R66Y3R2XR46MGW5U2RKPF6JQG \
  | 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: fc7dec6e3abc79e61adda6a2a797c981b3fb0dc6b6757fa18a4863b6c8989835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef06130c792acd4c0a261eace99ead878ac397b2277bdda313b63a5fc42d38c5",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-08T20:01:15Z",
    "title_canon_sha256": "0253ba429774b0241836e9edb89755d775f3dbbe954bc25410616ef6edf82bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02465",
    "kind": "arxiv",
    "version": 2
  }
}