Pith Number

pith:JQ5YIHFC

pith:2015:JQ5YIHFCP6JED5BYXRDJTD3EJD

not attested not anchored not stored refs pending

Prescribing the nodal set of the first eigenfunction in each conformal class

Alberto Enciso, Daniel Peralta-Salas, Stefan Steinerberger

arxiv:1503.05105 v1 · 2015-03-17 · math.DG · math.AP · 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{JQ5YIHFCP6JED5BYXRDJTD3EJD}

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	2026-05-18T02:22:20.421406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c3b841ca27f9241f438bc46998f6448d9512499e044f61281bc97d8d947688c

Aliases

arxiv: 1503.05105 · arxiv_version: 1503.05105v1 · doi: 10.48550/arxiv.1503.05105 · pith_short_12: JQ5YIHFCP6JE · pith_short_16: JQ5YIHFCP6JED5BY · pith_short_8: JQ5YIHFC

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/JQ5YIHFCP6JED5BYXRDJTD3EJD \
  | 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: 4c3b841ca27f9241f438bc46998f6448d9512499e044f61281bc97d8d947688c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1bd299dd2cf7ca7ce9319d1d5c9baa4756b2f42312cb2e47b0103f626adfa1c",
    "cross_cats_sorted": [
      "math.AP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-17T15:59:34Z",
    "title_canon_sha256": "9566782542fb2ae875ba317f858d1d7cc705d339aad374dce759f95b585ecdda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05105",
    "kind": "arxiv",
    "version": 1
  }
}