Pith Number

pith:CHIB5H2D

pith:2018:CHIB5H2DUCDLDD7WKS7Y5DNJ3Y

not attested not anchored not stored refs pending

Puncture repair on metric measure spaces

Ben Warhurst

arxiv:1801.05484 v4 · 2018-01-16 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHIB5H2DUCDLDD7WKS7Y5DNJ3Y}

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	2026-05-18T00:04:30.389726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d01e9f43a086b18ff654bf8e8da9de038f0cf242c5762022715c4802f1f565

Aliases

arxiv: 1801.05484 · arxiv_version: 1801.05484v4 · doi: 10.48550/arxiv.1801.05484 · pith_short_12: CHIB5H2DUCDL · pith_short_16: CHIB5H2DUCDLDD7W · pith_short_8: CHIB5H2D

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/CHIB5H2DUCDLDD7WKS7Y5DNJ3Y \
  | 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: 11d01e9f43a086b18ff654bf8e8da9de038f0cf242c5762022715c4802f1f565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f94789c1014113ab2594f776278596a676fc8434de274c71364e3b9a9e502a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-01-16T21:19:02Z",
    "title_canon_sha256": "b6c31c0eda8ee6753352bdc67e9ebe3266aa64004e1427f8d6b15f6dfa657d67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05484",
    "kind": "arxiv",
    "version": 4
  }
}