Pith Number

pith:XHL5GYVK

pith:2005:XHL5GYVKEFMMFTE6DNWV3SQTWQ

not attested not anchored not stored refs pending

Inverse scattering for the 1-D Helmholtz equation

Ingrid Beltita, Renata Bunoiu

arxiv:math/0511401 v5 · 2005-11-16 · 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{XHL5GYVKEFMMFTE6DNWV3SQTWQ}

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	2026-05-18T02:30:55.430804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9d7d362aa2158c2cc9e1b6d5dca13b42b12a119cd51091570d85677fe1b6457

Aliases

arxiv: math/0511401 · arxiv_version: math/0511401v5 · doi: 10.48550/arxiv.math/0511401 · pith_short_12: XHL5GYVKEFMM · pith_short_16: XHL5GYVKEFMMFTE6 · pith_short_8: XHL5GYVK

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/XHL5GYVKEFMMFTE6DNWV3SQTWQ \
  | 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: b9d7d362aa2158c2cc9e1b6d5dca13b42b12a119cd51091570d85677fe1b6457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ce5d882bf158132097ecf183fe9803f3f83c648ce063bb880fbcb8bc800eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2005-11-16T07:11:48Z",
    "title_canon_sha256": "5288963c0f2b7295df92ae175726d84a9589336b02d34ba159da071bb61e2510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0511401",
    "kind": "arxiv",
    "version": 5
  }
}