Pith Number

pith:EIVZM3AZ

pith:2024:EIVZM3AZWXCRBXRIKZ7NSPN6VB

not attested not anchored not stored refs pending

Geometrical optics for the fractional Helmholtz equation and applications to inverse problems

Giovanni Covi, Maarten de Hoop, Mikko Salo

arxiv:2412.14698 v1 · 2024-12-19 · 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{EIVZM3AZWXCRBXRIKZ7NSPN6VB}

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.

Cited by

1 paper in Pith

Fractional anisotropic Calder\'on problem with external data

Receipt and verification

First computed	2026-07-05T09:51:51.470977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

222b966c19b5c510de28567ed93dbea86a7667701b74805569302f581a25befb

Aliases

arxiv: 2412.14698 · arxiv_version: 2412.14698v1 · doi: 10.48550/arxiv.2412.14698 · pith_short_12: EIVZM3AZWXCR · pith_short_16: EIVZM3AZWXCRBXRI · pith_short_8: EIVZM3AZ

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/EIVZM3AZWXCRBXRIKZ7NSPN6VB \
  | 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: 222b966c19b5c510de28567ed93dbea86a7667701b74805569302f581a25befb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc4464cedf484e6f628cf11669dbefb3a74e0134e2ee99b6c1a528aa5c69c32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2024-12-19T10:02:42Z",
    "title_canon_sha256": "a14d718b881d63e6b5a570c5e9288cfe9f9eba278bc37d2d2cf94ea0bdec5e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.14698",
    "kind": "arxiv",
    "version": 1
  }
}