Pith Number

pith:ICEIQE7S

pith:2018:ICEIQE7SMPFTD5YZMNAFPYF2LF

not attested not anchored not stored refs pending

Eigenvalue problems in inverse electromagnetic scattering theory

David Colton, Peter Monk, Samuel Cogar

arxiv:1805.06986 v1 · 2018-05-17 · 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{ICEIQE7SMPFTD5YZMNAFPYF2LF}

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	2026-05-18T00:15:41.447791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40888813f263cb31f719634057e0ba5942ab6291d7c0cf40fcba302a79efc16e

Aliases

arxiv: 1805.06986 · arxiv_version: 1805.06986v1 · doi: 10.48550/arxiv.1805.06986 · pith_short_12: ICEIQE7SMPFT · pith_short_16: ICEIQE7SMPFTD5YZ · pith_short_8: ICEIQE7S

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/ICEIQE7SMPFTD5YZMNAFPYF2LF \
  | 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: 40888813f263cb31f719634057e0ba5942ab6291d7c0cf40fcba302a79efc16e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0563bc13d4916f52435b406c925bccb343c59a93531bf15c7cc8f61ae8f7d31d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-17T23:06:01Z",
    "title_canon_sha256": "d42d011de13e968ad8de76d571481c6a3e24cf1960e11194d3a801eca3ab6241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06986",
    "kind": "arxiv",
    "version": 1
  }
}