Pith Number

pith:NL77OPMF

pith:2015:NL77OPMFEE3D4AG6VABSYOEBKG

not attested not anchored not stored refs pending

Ground states for a coupled nonlinear Schr\"odinger system

Filipe Oliveira

arxiv:1501.07752 v2 · 2015-01-30 · 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{NL77OPMFEE3D4AG6VABSYOEBKG}

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	2026-05-18T02:27:50.806595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6afff73d8521363e00dea8032c3881519ee077e07bab0270aaca18f4857d0def

Aliases

arxiv: 1501.07752 · arxiv_version: 1501.07752v2 · doi: 10.48550/arxiv.1501.07752 · pith_short_12: NL77OPMFEE3D · pith_short_16: NL77OPMFEE3D4AG6 · pith_short_8: NL77OPMF

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/NL77OPMFEE3D4AG6VABSYOEBKG \
  | 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: 6afff73d8521363e00dea8032c3881519ee077e07bab0270aaca18f4857d0def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d89901c25d54afac7ec978ad2cc454939ac5112d919ff09e05538c367644de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-30T12:38:36Z",
    "title_canon_sha256": "1a386f2042ae3b06e874e1f82cf155c16b58efb4ca2cdebde137b788458c894f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07752",
    "kind": "arxiv",
    "version": 2
  }
}