Pith Number

pith:UHCM6CSC

pith:2019:UHCM6CSCYBWNHRW4VGBFEEMJMF

not attested not anchored not stored refs pending

Shrinking Ricci solitons with positive isotropic curvature

Keaton Naff

arxiv:1905.10305 v2 · 2019-05-24 · 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{UHCM6CSCYBWNHRW4VGBFEEMJMF}

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	2026-05-17T23:44:47.143508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c4cf0a42c06cd3c6dca982521189614496ef17044c1f072604d1a649b19c01

Aliases

arxiv: 1905.10305 · arxiv_version: 1905.10305v2 · doi: 10.48550/arxiv.1905.10305 · pith_short_12: UHCM6CSCYBWN · pith_short_16: UHCM6CSCYBWNHRW4 · pith_short_8: UHCM6CSC

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/UHCM6CSCYBWNHRW4VGBFEEMJMF \
  | 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: a1c4cf0a42c06cd3c6dca982521189614496ef17044c1f072604d1a649b19c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "372c472f9bd8042ec8b521f02fed64731d0e285a76b1b27e3e26a830e55b137f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-05-24T15:59:06Z",
    "title_canon_sha256": "3f186d3ec821eca8753365f5395250325c05ff01baf419e84a3ebea8ed659d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10305",
    "kind": "arxiv",
    "version": 2
  }
}