Pith Number

pith:EF6546NR

pith:2018:EF6546NRGZCQQYWQLP7Z63OXBN

not attested not anchored not stored refs pending

A new convergent algorithm to approximate potentials from fixed angle scattering data

Carlos Castro, Juan A. Barcel\'o, Mari Cruz Vilela, Teresa Luque

arxiv:1807.04820 v1 · 2018-07-12 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EF6546NRGZCQQYWQLP7Z63OXBN}

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	2026-05-18T00:10:49.736700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217dde79b136450862d05bff9f6dd70b548995d8a3c95f085041c3b36edadc47

Aliases

arxiv: 1807.04820 · arxiv_version: 1807.04820v1 · doi: 10.48550/arxiv.1807.04820 · pith_short_12: EF6546NRGZCQ · pith_short_16: EF6546NRGZCQQYWQ · pith_short_8: EF6546NR

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/EF6546NRGZCQQYWQLP7Z63OXBN \
  | 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: 217dde79b136450862d05bff9f6dd70b548995d8a3c95f085041c3b36edadc47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb705c593626bb8b8e4db3c31f8eea8b9b690c11532c6fb320f67b62180ad2f5",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-12T21:04:55Z",
    "title_canon_sha256": "c2424fff86ad5d8934b1f2c81a6c432a53c9706393d7c6c5ab10736fb6538124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04820",
    "kind": "arxiv",
    "version": 1
  }
}