Pith Number

pith:73Y7DSHU

pith:2014:73Y7DSHURK7PL2J4K5H3NBGZ5T

not attested not anchored not stored refs pending

On Artifacts in Limited Data Spherical Radon Transform: Flat Observation Surfaces

Linh V. Nguyen

arxiv:1407.4496 v2 · 2014-07-16 · 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{73Y7DSHURK7PL2J4K5H3NBGZ5T}

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	2026-05-18T02:18:04.231389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fef1f1c8f48abef5e93c574fb684d9eccacd9454dc2828ee9b949686abcaf78b

Aliases

arxiv: 1407.4496 · arxiv_version: 1407.4496v2 · doi: 10.48550/arxiv.1407.4496 · pith_short_12: 73Y7DSHURK7P · pith_short_16: 73Y7DSHURK7PL2J4 · pith_short_8: 73Y7DSHU

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/73Y7DSHURK7PL2J4K5H3NBGZ5T \
  | 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: fef1f1c8f48abef5e93c574fb684d9eccacd9454dc2828ee9b949686abcaf78b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d239e3a591494c71adab51255397c54055fab5eaeec85fda1806556ec45ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-07-16T20:55:06Z",
    "title_canon_sha256": "c59a10aca9150e6da1a7374c745903a2550d093166b0b5904fc7de80af0d3c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4496",
    "kind": "arxiv",
    "version": 2
  }
}