Pith Number

pith:SBZ4EFJR

pith:2015:SBZ4EFJRBFSCZFXYWBODVJUPOA

not attested not anchored not stored refs pending

On Artifacts in Limited Data Spherical Radon Transform: Curved Observation Surface

J\"urgen Frikel, Linh V. Nguyen, Lyudmyla L. Barannyk

arxiv:1507.00082 v2 · 2015-07-01 · 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{SBZ4EFJRBFSCZFXYWBODVJUPOA}

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	2026-05-18T01:22:39.416483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9073c2153109642c96f8b05c3aa68f703b579fa500b8e64a16d34d8435de6c1e

Aliases

arxiv: 1507.00082 · arxiv_version: 1507.00082v2 · doi: 10.48550/arxiv.1507.00082 · pith_short_12: SBZ4EFJRBFSC · pith_short_16: SBZ4EFJRBFSCZFXY · pith_short_8: SBZ4EFJR

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/SBZ4EFJRBFSCZFXYWBODVJUPOA \
  | 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: 9073c2153109642c96f8b05c3aa68f703b579fa500b8e64a16d34d8435de6c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e1938b4f83a9910370c1cb1e14822cadf7b32ff01b14dd41d533747bd4b0e4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-07-01T01:13:06Z",
    "title_canon_sha256": "c0a49f5eaf1511189338b4faefda0b3c89af9406c708e88afc5d1eb4bc3d239e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00082",
    "kind": "arxiv",
    "version": 2
  }
}