pith. sign in
Pith Number

pith:DFZCEJXP

pith:2009:DFZCEJXPYF3NFI25JY74DCPHFH
not attested not anchored not stored refs pending

A family of Einstein Randers metrics

A. Tayebi, B. Najafi

arxiv:0911.1518 v1 · 2009-11-08 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DFZCEJXPYF3NFI25JY74DCPHFH}

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 2026-05-18T04:11:31.973608Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

19722226efc176d2a35d4e3fc189e729da0cbd785a298e04d1d0f94c91fe6dfa

Aliases

arxiv: 0911.1518 · arxiv_version: 0911.1518v1 · doi: 10.48550/arxiv.0911.1518 · pith_short_12: DFZCEJXPYF3N · pith_short_16: DFZCEJXPYF3NFI25 · pith_short_8: DFZCEJXP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DFZCEJXPYF3NFI25JY74DCPHFH \
  | 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: 19722226efc176d2a35d4e3fc189e729da0cbd785a298e04d1d0f94c91fe6dfa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a03cf9465f7a011843f7f54422200bf9ff6dfc8b3fce35dc88b200bba0c0d23f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-11-08T11:11:19Z",
    "title_canon_sha256": "01f12032ba5a1dd07f66a7c2eb1ca4c31cbd9574fe9b841d13e4aa073cbb232d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1518",
    "kind": "arxiv",
    "version": 1
  }
}