pith. sign in
Pith Number

pith:UDWE6HVK

pith:2008:UDWE6HVKBZLJPC5FRMYYT4RQI4
not attested not anchored not stored refs pending

Nonlinear Spinors as the Candidate of Dark Matter

Ying-Qiu Gu

arxiv:0806.4649 v3 · 2008-06-28 · physics.gen-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UDWE6HVKBZLJPC5FRMYYT4RQI4}

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 2026-05-18T00:31:54.442005Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a0ec4f1eaa0e56978ba58b3189f2304706f905c2f08e70c248987b0c8ec5e1ef

Aliases

arxiv: 0806.4649 · arxiv_version: 0806.4649v3 · doi: 10.48550/arxiv.0806.4649 · pith_short_12: UDWE6HVKBZLJ · pith_short_16: UDWE6HVKBZLJPC5F · pith_short_8: UDWE6HVK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UDWE6HVKBZLJPC5FRMYYT4RQI4 \
  | 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: a0ec4f1eaa0e56978ba58b3189f2304706f905c2f08e70c248987b0c8ec5e1ef
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7710103f5cd7f8485986ae42f8118dee9cc51a6b05346763dedf3a0ead2f22aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2008-06-28T05:42:25Z",
    "title_canon_sha256": "1e5b5e1b417d16f37ee46c19202b99dbca49f6b16c37ce7cf56174ffdf3fdbe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4649",
    "kind": "arxiv",
    "version": 3
  }
}