Pith Number

pith:DGIA7OUR

pith:2016:DGIA7OUROLHKCMKFLUSH72JOJ6

not attested not anchored not stored refs pending

Existence of groundstates for a class of nonlinear Choquard equations in the plane

Jean Van Schaftingen, Luca Battaglia

arxiv:1604.03294 v2 · 2016-04-12 · 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{DGIA7OUROLHKCMKFLUSH72JOJ6}

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	2026-05-18T00:07:51.146080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19900fba9172cea131455d247fe92e4f85ec52b65c4911e6197b6233675131e5

Aliases

arxiv: 1604.03294 · arxiv_version: 1604.03294v2 · doi: 10.48550/arxiv.1604.03294 · pith_short_12: DGIA7OUROLHK · pith_short_16: DGIA7OUROLHKCMKF · pith_short_8: DGIA7OUR

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/DGIA7OUROLHKCMKFLUSH72JOJ6 \
  | 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: 19900fba9172cea131455d247fe92e4f85ec52b65c4911e6197b6233675131e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f40ecb2ecc0b8870633dc45f4b1542af7c03e76d39cc509ddcabdfe86d091f54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-12T08:26:34Z",
    "title_canon_sha256": "8a49fb54c6e7baa0fb2b44c69cb33d07cf7fe5d4f0489719323cd49dcce75571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03294",
    "kind": "arxiv",
    "version": 2
  }
}