Pith Number

pith:XLJEZPPW

pith:2017:XLJEZPPWKDNSTSMYLN6HG4YP4S

not attested not anchored not stored refs pending

The Ricci flow under almost non-negative curvature conditions

Burkhard Wilking, Esther Cabezas-Rivas, Richard H. Bamler

arxiv:1707.03002 v2 · 2017-07-10 · math.DG · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLJEZPPWKDNSTSMYLN6HG4YP4S}

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	2026-05-18T00:39:30.950004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad24cbdf650db29c9985b7c73730fe4b643b838635430872cbe073b906b3a82

Aliases

arxiv: 1707.03002 · arxiv_version: 1707.03002v2 · doi: 10.48550/arxiv.1707.03002 · pith_short_12: XLJEZPPWKDNS · pith_short_16: XLJEZPPWKDNSTSMY · pith_short_8: XLJEZPPW

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/XLJEZPPWKDNSTSMYLN6HG4YP4S \
  | 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: bad24cbdf650db29c9985b7c73730fe4b643b838635430872cbe073b906b3a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7c9f659dbcbea1d4945e0f258c26485aead4e0d790e99a5aa1c8cacfe28749",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-10T18:16:17Z",
    "title_canon_sha256": "f4579f36be32aa7ea9eaf83cd3dbe4e5ebe014e3f6bab029916d182261c2ce5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03002",
    "kind": "arxiv",
    "version": 2
  }
}