Pith Number

pith:CHQZ4SDM

pith:2012:CHQZ4SDMUXCCAZLE7G7DPFQNBR

not attested not anchored not stored refs pending

Selected problems on elliptic equations involving measures

Augusto C. Ponce

arxiv:1204.0668 v3 · 2012-04-03 · math.AP · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHQZ4SDMUXCCAZLE7G7DPFQNBR}

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	2026-05-18T00:44:30.434138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e19e486ca5c4206564f9be37960d0c7dbcbafaf58dd0c290319360d5f6a099

Aliases

arxiv: 1204.0668 · arxiv_version: 1204.0668v3 · doi: 10.48550/arxiv.1204.0668 · pith_short_12: CHQZ4SDMUXCC · pith_short_16: CHQZ4SDMUXCCAZLE · pith_short_8: CHQZ4SDM

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/CHQZ4SDMUXCCAZLE7G7DPFQNBR \
  | 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: 11e19e486ca5c4206564f9be37960d0c7dbcbafaf58dd0c290319360d5f6a099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "462d1e430567c41b6311f981a5f2711a282f6412594b306ca74fe7af42b7a863",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-04-03T11:55:56Z",
    "title_canon_sha256": "d7e80ee94932adc8b606f804b23fa70ae6bf3ba66af6a4172194a46fdac954e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0668",
    "kind": "arxiv",
    "version": 3
  }
}