Pith Number

pith:UNAMP37E

pith:2018:UNAMP37EK3Z2722QLWZG4FB67O

not attested not anchored not stored refs pending

Fourier method for identifying electromagnetic sources with multi-frequency far-field data

Hongjie Li, Hongyu Liu, MingHui Song, Xianchao Wang, Yukun Guo

arxiv:1801.03263 v1 · 2018-01-10 · 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{UNAMP37EK3Z2722QLWZG4FB67O}

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	2026-05-18T00:26:17.577630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a340c7efe456f3afeb505db26e143efba438f4e363c5fd2be624ab170ba99c84

Aliases

arxiv: 1801.03263 · arxiv_version: 1801.03263v1 · doi: 10.48550/arxiv.1801.03263 · pith_short_12: UNAMP37EK3Z2 · pith_short_16: UNAMP37EK3Z2722Q · pith_short_8: UNAMP37E

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/UNAMP37EK3Z2722QLWZG4FB67O \
  | 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: a340c7efe456f3afeb505db26e143efba438f4e363c5fd2be624ab170ba99c84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d795a30d3848f2665d737f26fec4fe460fd50152125ce054d9b468336811f4cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-10T08:07:20Z",
    "title_canon_sha256": "0efe22816d6e1ce21be6e9898ac6798cf4c5f613286993f9a108417ec8174b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03263",
    "kind": "arxiv",
    "version": 1
  }
}