Pith Number

pith:TCAWYX5C

pith:2015:TCAWYX5CFT5AGYBOGQ7NLGZTK3

not attested not anchored not stored refs pending

Numerical approximation of the potential in the two-dimensional inverse scattering problem

Carlos Castro, Juan Antonio Barcel\'o, Juan Manuel Reyes

arxiv:1507.07827 v2 · 2015-07-28 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCAWYX5CFT5AGYBOGQ7NLGZTK3}

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	2026-05-18T01:22:37.565120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98816c5fa22cfa03602e343ed59b3356f42703804c963cfa8e2e59789c0c1c56

Aliases

arxiv: 1507.07827 · arxiv_version: 1507.07827v2 · doi: 10.48550/arxiv.1507.07827 · pith_short_12: TCAWYX5CFT5A · pith_short_16: TCAWYX5CFT5AGYBO · pith_short_8: TCAWYX5C

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/TCAWYX5CFT5AGYBOGQ7NLGZTK3 \
  | 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: 98816c5fa22cfa03602e343ed59b3356f42703804c963cfa8e2e59789c0c1c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fc71a28ce7742c01be4255a547440f490d4fd176803efdddaf9a0ff235e03fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-28T16:04:56Z",
    "title_canon_sha256": "29543aefaeacb28f7dfb64f8d878f37bf135884778dc08440237603f74d27c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07827",
    "kind": "arxiv",
    "version": 2
  }
}