Pith Number

pith:4RUDCCEG

pith:2013:4RUDCCEGBPH42IOYHNMCSBXFCC

not attested not anchored not stored refs pending

Viscous dark matter growth in (neo-)Newtonian cosmology

D. J. Schwarz, H. Velten, J. C. Fabris, W. Zimdahl

arxiv:1307.6536 v2 · 2013-07-24 · astro-ph.CO · 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{4RUDCCEGBPH42IOYHNMCSBXFCC}

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	2026-05-18T03:06:54.724701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4683108860bcfcd21d83b582906e51095fd9250f29599a728b11daa8fa39a3d

Aliases

arxiv: 1307.6536 · arxiv_version: 1307.6536v2 · doi: 10.48550/arxiv.1307.6536 · pith_short_12: 4RUDCCEGBPH4 · pith_short_16: 4RUDCCEGBPH42IOY · pith_short_8: 4RUDCCEG

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/4RUDCCEGBPH42IOYHNMCSBXFCC \
  | 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: e4683108860bcfcd21d83b582906e51095fd9250f29599a728b11daa8fa39a3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e2009ed9aaf80e2f4a991b7d2adacdd107c617cda43fff55215ff4ad3cba1c4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-24T19:28:48Z",
    "title_canon_sha256": "9eee8c8e62d1748725c0cb5803acdb3979c50b1473547d26d10c5548cfa31f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6536",
    "kind": "arxiv",
    "version": 2
  }
}