pith. sign in
Pith Number

pith:IMDHNYPW

pith:2010:IMDHNYPWZYG73V7ZBZQGCXAGTI
not attested not anchored not stored refs pending

Ricci flow on open 3-manifolds and positive scalar curvature

G\'erard Besson, Laurent Bessi\`eres, Sylvain Maillot

arxiv:1001.1458 v1 · 2010-01-09 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IMDHNYPWZYG73V7ZBZQGCXAGTI}

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 2026-05-18T02:38:18.641136Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

430676e1f6ce0dfdd7f90e60615c069a2e691f3f421a397897251bc9b0d62a01

Aliases

arxiv: 1001.1458 · arxiv_version: 1001.1458v1 · doi: 10.48550/arxiv.1001.1458 · pith_short_12: IMDHNYPWZYG7 · pith_short_16: IMDHNYPWZYG73V7Z · pith_short_8: IMDHNYPW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IMDHNYPWZYG73V7ZBZQGCXAGTI \
  | 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: 430676e1f6ce0dfdd7f90e60615c069a2e691f3f421a397897251bc9b0d62a01
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4d70ec44fd4d6a62236d4cbabf31cda5f53e48ada0d885e94ac9ba11f2827b3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-01-09T22:44:24Z",
    "title_canon_sha256": "2dbf87abac1f155bb9bfef4808b867a449ec1314a0a8d712e0fe0789482d2824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1458",
    "kind": "arxiv",
    "version": 1
  }
}