Pith Number

pith:U53K5ULI

pith:2014:U53K5ULIARQD4PFYLAXSHQ3UIE

not attested not anchored not stored refs pending

On Dirichlet problems with singular nonlinearity of indefinite sign

Tom\'as Godoy, Uriel Kaufmann

arxiv:1411.5875 v2 · 2014-11-21 · 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{U53K5ULIARQD4PFYLAXSHQ3UIE}

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	2026-05-18T02:20:19.650946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a776aed16804603e3cb8582f23c3744125e1e52eb50d35fa651bf4337dc3147b

Aliases

arxiv: 1411.5875 · arxiv_version: 1411.5875v2 · doi: 10.48550/arxiv.1411.5875 · pith_short_12: U53K5ULIARQD · pith_short_16: U53K5ULIARQD4PFY · pith_short_8: U53K5ULI

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/U53K5ULIARQD4PFYLAXSHQ3UIE \
  | 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: a776aed16804603e3cb8582f23c3744125e1e52eb50d35fa651bf4337dc3147b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2906c9697640abb15f5ed4fc4f9d7cc122cb91e968f4635705b8569719f4eeb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-21T14:03:17Z",
    "title_canon_sha256": "ff8f149060d0012c39c55c87078e28806b47d7d878be422b3ff7e02a50cc6f56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5875",
    "kind": "arxiv",
    "version": 2
  }
}