Pith Number

pith:M6AY7AMC

pith:2019:M6AY7AMCE3VUA2LFA3HBACFJ55

not attested not anchored not stored refs pending

Asymptotic and exterior Dirichlet problems for the minimal surface equation in the Heisenberg group with a balanced metric

Edson S. Figueiredo, Fidelis Bittencourt, Jaime Ripoll, Pedro Fusieger

arxiv:1908.04361 v1 · 2019-08-12 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6AY7AMCE3VUA2LFA3HBACFJ55}

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	2026-07-04T23:54:30.072972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67818f818226eb40696506ce1008a9ef434a76364db838b55e35b00869fe84b7

Aliases

arxiv: 1908.04361 · arxiv_version: 1908.04361v1 · doi: 10.48550/arxiv.1908.04361 · pith_short_12: M6AY7AMCE3VU · pith_short_16: M6AY7AMCE3VUA2LF · pith_short_8: M6AY7AMC

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/M6AY7AMCE3VUA2LFA3HBACFJ55 \
  | 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: 67818f818226eb40696506ce1008a9ef434a76364db838b55e35b00869fe84b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27601a75bd12b05b842c0c624d4bd88f2de9c3228d017518198851ff242c6c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-12T20:09:04Z",
    "title_canon_sha256": "2bb1d1100dc60fa08f5763fa6baa2f0ad5ee197bc7e9ff8bcb2e32b85f0d3716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04361",
    "kind": "arxiv",
    "version": 1
  }
}