Pith Number

pith:QRPGJFIM

pith:2017:QRPGJFIMXDRANRMPZEDUPA7WTR

not attested not anchored not stored refs pending

Periodic solutions to the Cahn-Hilliard equation in the plane

Andrea Malchiodi, Matteo Rizzi, Rainer Mandel

arxiv:1705.05607 v1 · 2017-05-16 · 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{QRPGJFIMXDRANRMPZEDUPA7WTR}

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	2026-05-18T00:25:57.794308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845e64950cb8e206c58fc9074783f69c773049f225eb54668ad1c826e032f39b

Aliases

arxiv: 1705.05607 · arxiv_version: 1705.05607v1 · doi: 10.48550/arxiv.1705.05607 · pith_short_12: QRPGJFIMXDRA · pith_short_16: QRPGJFIMXDRANRMP · pith_short_8: QRPGJFIM

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/QRPGJFIMXDRANRMPZEDUPA7WTR \
  | 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: 845e64950cb8e206c58fc9074783f69c773049f225eb54668ad1c826e032f39b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f8ba0b8b76708c79684c3a15e68a5f326460868c7f4225f9564004e1b48522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-05-16T09:20:47Z",
    "title_canon_sha256": "67f0e8430e8e7363bb9ecb6264d0a661cb7fd659832491ac547c7a2b497b08e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05607",
    "kind": "arxiv",
    "version": 1
  }
}