Pith Number

pith:NUT6LXQV

pith:2009:NUT6LXQVTSRGGAN3AD7LRHXT2P

not attested not anchored not stored refs pending

On the separation between baryonic and dark matter: evidence for phantom dark matter?

Alexander Knebe (UAM), Claudio Llinares (AIP), HongSheng Zhao (St. Andrews), Xufen Wu (St. Andrews)

arxiv:0908.3480 v1 · 2009-08-24 · 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{NUT6LXQVTSRGGAN3AD7LRHXT2P}

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	2026-05-18T02:12:23.462357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d27e5de159ca26301bb00feb89ef3d3fbdd5f092487e883dc8163cb42742c86

Aliases

arxiv: 0908.3480 · arxiv_version: 0908.3480v1 · doi: 10.48550/arxiv.0908.3480 · pith_short_12: NUT6LXQVTSRG · pith_short_16: NUT6LXQVTSRGGAN3 · pith_short_8: NUT6LXQV

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/NUT6LXQVTSRGGAN3AD7LRHXT2P \
  | 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: 6d27e5de159ca26301bb00feb89ef3d3fbdd5f092487e883dc8163cb42742c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8708e3180ddae199dad5dd793c89690c13fb83a889d4c6c96db90cb067a3e7c6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-24T20:00:17Z",
    "title_canon_sha256": "36b8dca0b40f1bebfa59225b6ff738350d8f3516fd7dd72142562308a3f67c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3480",
    "kind": "arxiv",
    "version": 1
  }
}