Pith Number

pith:UQECH2B3

pith:2019:UQECH2B3GP646WBQYEMPM62WFG

not attested not anchored not stored refs pending

Evolution of complete noncompact graphs by powers of curvature function

Guanghan Li, Yusha Lv

arxiv:1901.04099 v1 · 2019-01-14 · 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{UQECH2B3GP646WBQYEMPM62WFG}

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	2026-05-17T23:56:26.295232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40823e83b33fdcf5830c118f67b5629831f8ccc433b8d623a138c425d6a1486

Aliases

arxiv: 1901.04099 · arxiv_version: 1901.04099v1 · doi: 10.48550/arxiv.1901.04099 · pith_short_12: UQECH2B3GP64 · pith_short_16: UQECH2B3GP646WBQ · pith_short_8: UQECH2B3

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/UQECH2B3GP646WBQYEMPM62WFG \
  | 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: a40823e83b33fdcf5830c118f67b5629831f8ccc433b8d623a138c425d6a1486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6424d40f0254735262ddd73bc7f93200eb279373e160462222f7d2badb772f2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-01-14T01:12:11Z",
    "title_canon_sha256": "ef1e04cdf903802aa2003d00bbd408dbbba1d2dade372fbb88f3bfc55100d0cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04099",
    "kind": "arxiv",
    "version": 1
  }
}