Pith Number

pith:JDIF4VAH

pith:2017:JDIF4VAHOBKS5NVXHHICJBHERR

not attested not anchored not stored refs pending

Abel transforms with low regularity with applications to X-ray tomography on spherically symmetric manifolds

Joonas Ilmavirta, Maarten V. de Hoop

arxiv:1702.07625 v2 · 2017-02-24 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDIF4VAHOBKS5NVXHHICJBHERR}

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	2026-05-18T00:30:05.495012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d05e540770552eb6b739d02484e48c7f990c5b34ca76e4cb99cafedd2be6ad

Aliases

arxiv: 1702.07625 · arxiv_version: 1702.07625v2 · doi: 10.48550/arxiv.1702.07625 · pith_short_12: JDIF4VAHOBKS · pith_short_16: JDIF4VAHOBKS5NVX · pith_short_8: JDIF4VAH

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/JDIF4VAHOBKS5NVXHHICJBHERR \
  | 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: 48d05e540770552eb6b739d02484e48c7f990c5b34ca76e4cb99cafedd2be6ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4289adec9605fb8d300fb56fa68361fc42785338e9ed98cce6a677b3d58a132",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-24T15:24:01Z",
    "title_canon_sha256": "be5d3cbf503caf220def155a0dd0a36cf547b6372c26da5b8a1925756be86972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07625",
    "kind": "arxiv",
    "version": 2
  }
}