Pith Number

pith:G4ZCQ27E

pith:2018:G4ZCQ27ESKV6NHKIRDHPCSNZ4E

not attested not anchored not stored refs pending

Nonradiating sources and transmission eigenfunctions vanish at corners and edges

Eemeli Bl{\aa}sten

arxiv:1803.10917 v2 · 2018-03-29 · 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{G4ZCQ27ESKV6NHKIRDHPCSNZ4E}

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	2026-05-18T00:18:25.089653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3732286be492abe69d4888cef149b9e126d2cae824b33e0305285fe5c43d74a0

Aliases

arxiv: 1803.10917 · arxiv_version: 1803.10917v2 · doi: 10.48550/arxiv.1803.10917 · pith_short_12: G4ZCQ27ESKV6 · pith_short_16: G4ZCQ27ESKV6NHKI · pith_short_8: G4ZCQ27E

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/G4ZCQ27ESKV6NHKIRDHPCSNZ4E \
  | 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: 3732286be492abe69d4888cef149b9e126d2cae824b33e0305285fe5c43d74a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f03e0d8296de92a5783854076c744f68b3c1235a674f011dd536153d7dd85f42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-29T03:37:51Z",
    "title_canon_sha256": "083bc0baf870ad3e894ba29b1dcdc693ae2a3af241a2f0228c80f198d1df9b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10917",
    "kind": "arxiv",
    "version": 2
  }
}