Pith Number

pith:BRXWJW5H

pith:2011:BRXWJW5HXPH75YRBSAAEWSHATS

not attested not anchored not stored refs pending

Limiting absorption principle for the electromagnetic Helmholtz equation with singular potentials

Miren Zubeldia

arxiv:1104.4237 v4 · 2011-04-21 · 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{BRXWJW5HXPH75YRBSAAEWSHATS}

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	2026-05-18T03:13:43.809205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c6f64dba7bbcffee22190004b48e09c9184e78ad406a6a05231212df488ef4c

Aliases

arxiv: 1104.4237 · arxiv_version: 1104.4237v4 · doi: 10.48550/arxiv.1104.4237 · pith_short_12: BRXWJW5HXPH7 · pith_short_16: BRXWJW5HXPH75YRB · pith_short_8: BRXWJW5H

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/BRXWJW5HXPH75YRBSAAEWSHATS \
  | 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: 0c6f64dba7bbcffee22190004b48e09c9184e78ad406a6a05231212df488ef4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ff24a1d567d6b35695d1e8e0768b405a73205b35dfc3943e1e7dd24e886c427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-04-21T11:39:01Z",
    "title_canon_sha256": "2dfd5c0866f4f8773e44b17fb382b1773e84f2e62f3904f9c2ddaab8ac5a7357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4237",
    "kind": "arxiv",
    "version": 4
  }
}