Pith Number

pith:RQ7QS5QX

pith:2018:RQ7QS5QXRIAK4MIECG2PUOQMRD

not attested not anchored not stored refs pending

Multiple Delaunay ends solutions of the Cahn-Hilliard equation

Matteo Rizzi, Michal Kowalczyk

arxiv:1810.01494 v1 · 2018-10-02 · 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{RQ7QS5QXRIAK4MIECG2PUOQMRD}

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	2026-05-18T00:04:11.980447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3f0976178a00ae310411b4fa3a0c88fc26ab855d7063e20b2e9f900ea0a353

Aliases

arxiv: 1810.01494 · arxiv_version: 1810.01494v1 · doi: 10.48550/arxiv.1810.01494 · pith_short_12: RQ7QS5QXRIAK · pith_short_16: RQ7QS5QXRIAK4MIE · pith_short_8: RQ7QS5QX

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/RQ7QS5QXRIAK4MIECG2PUOQMRD \
  | 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: 8c3f0976178a00ae310411b4fa3a0c88fc26ab855d7063e20b2e9f900ea0a353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97fc8bd0990831a96f9c4399419e8f60399cf2e8976b14058a08bb9b73dbc583",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-02T20:15:03Z",
    "title_canon_sha256": "aea1eb57a172dcfa12fe2c598a56afb4df079ad8b962d8325b9e00cc282caef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01494",
    "kind": "arxiv",
    "version": 1
  }
}