Pith Number

pith:R7QVW7UB

pith:2015:R7QVW7UB53BFXZJPBM4VOBXDN2

not attested not anchored not stored refs pending

Nodal solutions for the Choquard equation

Jean Van Schaftingen, Marco Ghimenti

arxiv:1503.06031 v2 · 2015-03-20 · 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{R7QVW7UB53BFXZJPBM4VOBXDN2}

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	2026-05-18T00:41:08.463188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe15b7e81eec25be52f0b395706e36e8cde670f2e44d831cb00a31db37cf745

Aliases

arxiv: 1503.06031 · arxiv_version: 1503.06031v2 · doi: 10.48550/arxiv.1503.06031 · pith_short_12: R7QVW7UB53BF · pith_short_16: R7QVW7UB53BFXZJP · pith_short_8: R7QVW7UB

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/R7QVW7UB53BFXZJPBM4VOBXDN2 \
  | 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: 8fe15b7e81eec25be52f0b395706e36e8cde670f2e44d831cb00a31db37cf745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f948782c6628a4e71db7ce5cd3f826f2f3ab58171fe314984301852452fdf80c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-20T10:06:36Z",
    "title_canon_sha256": "1f876186ca88cdf7b09852804602c1970414eba404a094ebb608154b9ed075a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06031",
    "kind": "arxiv",
    "version": 2
  }
}