Pith Number

pith:DMNUUGY7

pith:2012:DMNUUGY7BAXJIGIJISCOEUBHTR

not attested not anchored not stored refs pending

Quark matter as dark matter in modeling galactic halo

Farook Rahaman, Gurudas Mandal, Nasarul Islam, P.K.F. Kuhfittig, Ruhul Amin, Saibal Ray

arxiv:1203.6649 v2 · 2012-03-29 · 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{DMNUUGY7BAXJIGIJISCOEUBHTR}

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	2026-05-18T03:50:48.402190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b1b4a1b1f082e9419094484e250279c6619e29c20bc1cd81e0d7c52ab3497c4

Aliases

arxiv: 1203.6649 · arxiv_version: 1203.6649v2 · doi: 10.48550/arxiv.1203.6649 · pith_short_12: DMNUUGY7BAXJ · pith_short_16: DMNUUGY7BAXJIGIJ · pith_short_8: DMNUUGY7

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/DMNUUGY7BAXJIGIJISCOEUBHTR \
  | 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: 1b1b4a1b1f082e9419094484e250279c6619e29c20bc1cd81e0d7c52ab3497c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ceffbef0dacb5194b6c6465c10f974d35551b04e5a5485892766d2146b3e45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-29T07:22:16Z",
    "title_canon_sha256": "83340cba9cdd82c01c92c85dba9505240de10e0866b35e38d9f163f17ab6019c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6649",
    "kind": "arxiv",
    "version": 2
  }
}