Pith Number

pith:WA2LEU2M

pith:2011:WA2LEU2MS37ADRIKBEY356BG7H

not attested not anchored not stored refs pending

Enhancement of near-cloaking. Part II: the Helmholtz equation

Habib Ammari, Hyeonbae Kang, Hyundae Lee, Mikyoung Lim

arxiv:1110.1922 v1 · 2011-10-10 · 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{WA2LEU2MS37ADRIKBEY356BG7H}

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	2026-05-18T02:00:15.886705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b034b2534c96fe01c50a0931bef826f9c1b8e92a6cb0bd71e9fb03a1fae885cf

Aliases

arxiv: 1110.1922 · arxiv_version: 1110.1922v1 · doi: 10.48550/arxiv.1110.1922 · pith_short_12: WA2LEU2MS37A · pith_short_16: WA2LEU2MS37ADRIK · pith_short_8: WA2LEU2M

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/WA2LEU2MS37ADRIKBEY356BG7H \
  | 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: b034b2534c96fe01c50a0931bef826f9c1b8e92a6cb0bd71e9fb03a1fae885cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6687fd4a7ec290c58712941d31c937810c50d2d1cf71e82e180be9996f706b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-10-10T04:27:10Z",
    "title_canon_sha256": "81a03aba62bc6b5352b38a312918064d3cda22a52bc354e44615bdd8c5a84770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1922",
    "kind": "arxiv",
    "version": 1
  }
}