Pith Number

pith:5EVASDHL

pith:2012:5EVASDHLH77GE3YNMXFIF3LNF2

not attested not anchored not stored refs pending

Multiple solutions to the Bahri-Coron problem in some domains with nontrivial topology

Jorge Faya, M\'onica Clapp

arxiv:1212.5130 v1 · 2012-12-20 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EVASDHLH77GE3YNMXFIF3LNF2}

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	2026-05-18T03:38:03.758458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e92a090ceb3ffe626f0d65ca82ed6d2ebe544adb36ec5975d760b65084c43460

Aliases

arxiv: 1212.5130 · arxiv_version: 1212.5130v1 · doi: 10.48550/arxiv.1212.5130 · pith_short_12: 5EVASDHLH77G · pith_short_16: 5EVASDHLH77GE3YN · pith_short_8: 5EVASDHL

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/5EVASDHLH77GE3YNMXFIF3LNF2 \
  | 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: e92a090ceb3ffe626f0d65ca82ed6d2ebe544adb36ec5975d760b65084c43460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e9681584868e0101141ff418a6a532c6f626dd17a2e4dad9a5e575831ccfdcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-12-20T16:33:31Z",
    "title_canon_sha256": "919ee1bdaf3132a580bbb19136f0af0509ddad3910eeab5bd9881f83cfece7a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5130",
    "kind": "arxiv",
    "version": 1
  }
}