Pith Number

pith:ID4FKHVQ

pith:2013:ID4FKHVQ6DXUUIMN4VPWP5E52B

not attested not anchored not stored refs pending

Increasing stability for determining the potential in the Schr\"odinger equation with attenuation from the Dirichlet-to-Neumann map

Jenn-Nan Wang, Victor Isakov

arxiv:1309.2840 v1 · 2013-09-11 · 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{ID4FKHVQ6DXUUIMN4VPWP5E52B}

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	2026-05-18T03:13:34.723026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f8551eb0f0ef4a218de55f67f49dd05f7e9eea7e92accc4771630c8f2b3c07

Aliases

arxiv: 1309.2840 · arxiv_version: 1309.2840v1 · doi: 10.48550/arxiv.1309.2840 · pith_short_12: ID4FKHVQ6DXU · pith_short_16: ID4FKHVQ6DXUUIMN · pith_short_8: ID4FKHVQ

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/ID4FKHVQ6DXUUIMN4VPWP5E52B \
  | 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: 40f8551eb0f0ef4a218de55f67f49dd05f7e9eea7e92accc4771630c8f2b3c07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39a64b156ab1c47d67e761fdee50c25da869dd98cb1b604a6ac72a6b79e828d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-11T14:28:08Z",
    "title_canon_sha256": "214825b67809e9766c1262246cf53ecf91c66c1ba90202f8ca37017e70252f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2840",
    "kind": "arxiv",
    "version": 1
  }
}