Pith Number

pith:7QEHNE4E

pith:2015:7QEHNE4EJ2YVVSSGFTZ2SR5Y6K

not attested not anchored not stored refs pending

Ground States for a nonlinear Schr\"odinger system with sublinear coupling terms

Filipe Oliveira, Hugo Tavares

arxiv:1504.04655 v1 · 2015-04-17 · 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{7QEHNE4EJ2YVVSSGFTZ2SR5Y6K}

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	2026-05-18T02:18:30.780555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc087693844eb15aca462cf3a947b8f2a13afffa3377f7ce34427f38003d62b8

Aliases

arxiv: 1504.04655 · arxiv_version: 1504.04655v1 · doi: 10.48550/arxiv.1504.04655 · pith_short_12: 7QEHNE4EJ2YV · pith_short_16: 7QEHNE4EJ2YVVSSG · pith_short_8: 7QEHNE4E

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/7QEHNE4EJ2YVVSSGFTZ2SR5Y6K \
  | 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: fc087693844eb15aca462cf3a947b8f2a13afffa3377f7ce34427f38003d62b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b97435ba8a8d3a5e37e2613315337ebc7f3cddf21504bfb5df370e6e3d80bacd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-04-17T22:40:25Z",
    "title_canon_sha256": "3da61c0b290997b397486f111b564835e1b71c287a827efb9d61655472bf24ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04655",
    "kind": "arxiv",
    "version": 1
  }
}