pith. sign in
Pith Number

pith:NQCKZM5W

pith:2007:NQCKZM5WRQQXHHI5DXX77XL7JD
not attested not anchored not stored refs pending

Chaos in core-halo gravitating systems

T. Ghahramanyan, V.G. Gurzadyan

arxiv:astro-ph/0701491 v1 · 2007-01-17 · astro-ph · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NQCKZM5WRQQXHHI5DXX77XL7JD}

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 2026-05-18T00:59:12.688471Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6c04acb3b68c21739d1d1defffdd7f48c756c8999822aff515f4d8e7e8fce8e2

Aliases

arxiv: astro-ph/0701491 · arxiv_version: astro-ph/0701491v1 · doi: 10.48550/arxiv.astro-ph/0701491 · pith_short_12: NQCKZM5WRQQX · pith_short_16: NQCKZM5WRQQXHHI5 · pith_short_8: NQCKZM5W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NQCKZM5WRQQXHHI5DXX77XL7JD \
  | 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: 6c04acb3b68c21739d1d1defffdd7f48c756c8999822aff515f4d8e7e8fce8e2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2b0463350067c30ae024ccfa6ce2756b9a1ef8c4900266d1106de95b340f74ce",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-17T07:29:34Z",
    "title_canon_sha256": "81b42e5af9f30acc737ab678dd0e5a423285993f3f6b22f3aa15f7ed8ed3646c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701491",
    "kind": "arxiv",
    "version": 1
  }
}