Pith Number

pith:4S6C53YG

pith:2017:4S6C53YGQBKHDB7NPAU6EROV3F

not attested not anchored not stored refs pending

A free boundary optimization problem for the $\infty$-Laplacian

Jos\'e Miguel Urbano, Rafayel Teymurazyan

arxiv:1703.01157 v1 · 2017-03-03 · 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{4S6C53YGQBKHDB7NPAU6EROV3F}

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	2026-05-18T00:49:35.844836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bc2eef0680547187ed7829e245d5d94472c46e335eada51c3f27bced54e337

Aliases

arxiv: 1703.01157 · arxiv_version: 1703.01157v1 · doi: 10.48550/arxiv.1703.01157 · pith_short_12: 4S6C53YGQBKH · pith_short_16: 4S6C53YGQBKHDB7N · pith_short_8: 4S6C53YG

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/4S6C53YGQBKHDB7NPAU6EROV3F \
  | 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: e4bc2eef0680547187ed7829e245d5d94472c46e335eada51c3f27bced54e337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87bca0a6795cdecc55d77a6d4a41052839af4063d8d87b65f8e57176b5d84b56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-03T13:44:25Z",
    "title_canon_sha256": "07db6d8c0ed32da08372535315ea7dc665acc2d9c12477821b4fe39b6d4a1fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01157",
    "kind": "arxiv",
    "version": 1
  }
}