Pith Number

pith:KQSPSCAS

pith:2015:KQSPSCASV6BF7HM6DA2CSAKBYH

not attested not anchored not stored refs pending

On a magnetic characterization of spectral minimal partitions

Bernard Helffer, Thomas Hoffmann-Ostenhof

arxiv:1509.05304 v1 · 2015-09-17 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQSPSCASV6BF7HM6DA2CSAKBYH}

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	2026-05-18T01:32:44.193755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5424f90812af825f9d9e1834290141c1d93b65832294b0043d20f966f1bd7f2d

Aliases

arxiv: 1509.05304 · arxiv_version: 1509.05304v1 · doi: 10.48550/arxiv.1509.05304 · pith_short_12: KQSPSCASV6BF · pith_short_16: KQSPSCASV6BF7HM6 · pith_short_8: KQSPSCAS

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/KQSPSCASV6BF7HM6DA2CSAKBYH \
  | 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: 5424f90812af825f9d9e1834290141c1d93b65832294b0043d20f966f1bd7f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "144aabf6e3c0ba3ce01d624b1df103cd3163c566b8a5f6c3079d5aa7d98d35e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-09-17T15:52:37Z",
    "title_canon_sha256": "6391f4b5540aaa9ecbd4669871b981f6aa04d9a1a8a53522f87eb4c15b123eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05304",
    "kind": "arxiv",
    "version": 1
  }
}