Pith Number

pith:KALVH3JT

pith:2018:KALVH3JTATL74NVOGRY67HW2EU

not attested not anchored not stored refs pending

Stable solutions to some elliptic problems: minimal cones, the Allen-Cahn equation, and blow-up solutions

Giorgio Poggesi, Xavier Cabre

arxiv:1802.01992 v2 · 2018-02-06 · 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{KALVH3JTATL74NVOGRY67HW2EU}

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	2026-05-18T00:10:59.985329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

501753ed3304d7fe36ae3471ef9eda2531a6b30a36b6534a791e636ead56b091

Aliases

arxiv: 1802.01992 · arxiv_version: 1802.01992v2 · doi: 10.48550/arxiv.1802.01992 · pith_short_12: KALVH3JTATL7 · pith_short_16: KALVH3JTATL74NVO · pith_short_8: KALVH3JT

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/KALVH3JTATL74NVOGRY67HW2EU \
  | 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: 501753ed3304d7fe36ae3471ef9eda2531a6b30a36b6534a791e636ead56b091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3261cba8aee450c572cbc1878c614236a400e68de1faddaddb540ae0b280f6c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-06T15:10:14Z",
    "title_canon_sha256": "8ab9b13b49f5ae02ac70094c839470a6560be5f6edbc7e0edfdf29d3d88f0438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01992",
    "kind": "arxiv",
    "version": 2
  }
}