Pith Number

pith:FM6GCTDR

pith:2018:FM6GCTDR37RGQZ45POV24QD4YS

not attested not anchored not stored refs pending

The nodal set of solutions to some elliptic problems: sublinear equations, and unstable two-phase membrane problem

Nicola Soave, Susanna Terracini

arxiv:1802.02089 v1 · 2018-02-06 · 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{FM6GCTDR37RGQZ45POV24QD4YS}

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	2026-05-18T00:24:10.934778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3c614c71dfe268679d7babae407cc48ec2e5e6edc6b71d615a27d5e1a11c05

Aliases

arxiv: 1802.02089 · arxiv_version: 1802.02089v1 · doi: 10.48550/arxiv.1802.02089 · pith_short_12: FM6GCTDR37RG · pith_short_16: FM6GCTDR37RGQZ45 · pith_short_8: FM6GCTDR

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/FM6GCTDR37RGQZ45POV24QD4YS \
  | 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: 2b3c614c71dfe268679d7babae407cc48ec2e5e6edc6b71d615a27d5e1a11c05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3e76bb1226d7490506b89e92cc61c1af0183b1da44c528bd1811e68b5e3fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-06T17:43:48Z",
    "title_canon_sha256": "6a2b80761ba3e9dfb4ba2db8f5272ccc8de0344ecaa2f710f2fc5d1d58152e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02089",
    "kind": "arxiv",
    "version": 1
  }
}