Pith Number

pith:Y7AG3TCS

pith:2018:Y7AG3TCSQ2WG4KTPML36BNHRFG

not attested not anchored not stored refs pending

On the nodal set of solutions to degenerate or singular elliptic equations with an application to $s-$harmonic functions

Giorgio Tortone, Susanna Terracini, Yannick Sire

arxiv:1808.01851 v1 · 2018-08-06 · 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{Y7AG3TCSQ2WG4KTPML36BNHRFG}

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	2026-05-18T00:08:49.457933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c06dcc5286ac6e2a6f62f7e0b4f1298d1eeef2138f582e97eadfd1b18dfdc9

Aliases

arxiv: 1808.01851 · arxiv_version: 1808.01851v1 · doi: 10.48550/arxiv.1808.01851 · pith_short_12: Y7AG3TCSQ2WG · pith_short_16: Y7AG3TCSQ2WG4KTP · pith_short_8: Y7AG3TCS

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/Y7AG3TCSQ2WG4KTPML36BNHRFG \
  | 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: c7c06dcc5286ac6e2a6f62f7e0b4f1298d1eeef2138f582e97eadfd1b18dfdc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f75ab2153c37fd7e1df2ee458682a5dacfb35980f0d8a7bfdb27e7327272ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-06T12:39:44Z",
    "title_canon_sha256": "a9d4037879219313544c14e1bb07cb439099c7517f62cf0e624114a214a3cb4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01851",
    "kind": "arxiv",
    "version": 1
  }
}