Pith Number

pith:UDWPEJSX

pith:2015:UDWPEJSXV3NPMSTSR5KIGV3VSC

not attested not anchored not stored refs pending

Topological Signals of Singularities in Ricci Flow

Gordon Jones, Howard A. Blair, Konstantin Mischaikow, Matthew Corne, Paul M. Alsing, Vidit Nanda, Warner A. Miller

arxiv:1502.02630 v3 · 2015-02-09 · math.AT · 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{UDWPEJSXV3NPMSTSR5KIGV3VSC}

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	2026-05-18T00:38:46.874399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ecf22657aedaf64a728f5483577590a74153e6364aef2a01d96c30f731667a

Aliases

arxiv: 1502.02630 · arxiv_version: 1502.02630v3 · doi: 10.48550/arxiv.1502.02630 · pith_short_12: UDWPEJSXV3NP · pith_short_16: UDWPEJSXV3NPMSTS · pith_short_8: UDWPEJSX

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/UDWPEJSXV3NPMSTSR5KIGV3VSC \
  | 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: a0ecf22657aedaf64a728f5483577590a74153e6364aef2a01d96c30f731667a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55087d31a428ee59d090870a75688da39ac4c4f2f81bdc5d861c998b877761d6",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-02-09T19:55:45Z",
    "title_canon_sha256": "3ca0c0cc701ca1cb0ad52116ed1186e58ff9da42de6f0c95b5e73a88aea3c0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02630",
    "kind": "arxiv",
    "version": 3
  }
}