Pith Number

pith:AABBC27I

pith:2010:AABBC27IMUR35LCK5VE4SPMY6U

not attested not anchored not stored refs pending

The inverse electromagnetic scattering problem in a piecewise homogeneous medium

Bo Zhang, Jiaqing Yang, XiaoDong Liu

arxiv:1001.2998 v1 · 2010-01-18 · 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{AABBC27IMUR35LCK5VE4SPMY6U}

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	2026-05-18T02:09:43.170913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0002116be86523beac4aed49c93d98f524388bc56bb8d5e20673f06a62db9c23

Aliases

arxiv: 1001.2998 · arxiv_version: 1001.2998v1 · doi: 10.48550/arxiv.1001.2998 · pith_short_12: AABBC27IMUR3 · pith_short_16: AABBC27IMUR35LCK · pith_short_8: AABBC27I

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/AABBC27IMUR35LCK5VE4SPMY6U \
  | 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: 0002116be86523beac4aed49c93d98f524388bc56bb8d5e20673f06a62db9c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04707b001bc594ca25c4f70c4b6d5e034ec369bb29c819960cdab8d3de7330b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-01-18T10:11:05Z",
    "title_canon_sha256": "643fd9de9d8a2dd42db00b518a6eea5b439d7aa0d77b0fc1d9ef1b1662f1e61c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2998",
    "kind": "arxiv",
    "version": 1
  }
}