Pith Number

pith:NGCRCGJ3

pith:2014:NGCRCGJ3ANQUE3X7PLBIGILYUZ

not attested not anchored not stored refs pending

The spectral properties of the strongly coupled Sturm Hamiltonian of eventually constant type

Yanhui Qu

arxiv:1404.3344 v3 · 2014-04-13 · math.DS · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGCRCGJ3ANQUE3X7PLBIGILYUZ}

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	2026-05-18T01:06:24.819535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698511193b0361426eff7ac2832178a66045e3cca447326b373b72dd4de1b061

Aliases

arxiv: 1404.3344 · arxiv_version: 1404.3344v3 · doi: 10.48550/arxiv.1404.3344 · pith_short_12: NGCRCGJ3ANQU · pith_short_16: NGCRCGJ3ANQUE3X7 · pith_short_8: NGCRCGJ3

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/NGCRCGJ3ANQUE3X7PLBIGILYUZ \
  | 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: 698511193b0361426eff7ac2832178a66045e3cca447326b373b72dd4de1b061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5fd960e5ccbd6a2ba30cdc0e8d4f28899e11fbf51a1251bf9919fcdce47e04",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-04-13T05:57:34Z",
    "title_canon_sha256": "833c6f1611639a88e3f7c47ab2d8dbe708619e93b8dd1f5549771f91798d2016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3344",
    "kind": "arxiv",
    "version": 3
  }
}