Pith Number

pith:6NUPXZFL

pith:2018:6NUPXZFLKWMOMINSIUR6TPL2ZB

not attested not anchored not stored refs pending

Local curvature estimates for the Ricci-harmonic flow

Yi Li

arxiv:1810.09760 v1 · 2018-10-23 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NUPXZFLKWMOMINSIUR6TPL2ZB}

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	2026-05-18T00:02:29.454926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f368fbe4ab5598e621b24523e9bd7ac85f7710128c52c9942c3ae4d084418a7a

Aliases

arxiv: 1810.09760 · arxiv_version: 1810.09760v1 · doi: 10.48550/arxiv.1810.09760 · pith_short_12: 6NUPXZFLKWMO · pith_short_16: 6NUPXZFLKWMOMINS · pith_short_8: 6NUPXZFL

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/6NUPXZFLKWMOMINSIUR6TPL2ZB \
  | 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: f368fbe4ab5598e621b24523e9bd7ac85f7710128c52c9942c3ae4d084418a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac410c2ccd99eb5dfc7892d247af7cc090346def353431f627e28407618ce40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-23T10:30:01Z",
    "title_canon_sha256": "de5bf37767c10cd6b8a261b2d73a4929770ea67ba1101b88b0ab8f09cf9600fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09760",
    "kind": "arxiv",
    "version": 1
  }
}