Pith Number

pith:KUXVGMWF

pith:2017:KUXVGMWFG2FYRM54NMRJ6TJYKX

not attested not anchored not stored refs pending

Artifacts in the inversion of the broken ray transform in the plane

Yang Zhang

arxiv:1711.08575 v3 · 2017-11-23 · math.AP · math.DG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUXVGMWFG2FYRM54NMRJ6TJYKX}

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	2026-05-18T00:22:11.924460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

552f5332c5368b88b3bc6b229f4d3855f874fcc7e8a6a441b2db62790e8cd449

Aliases

arxiv: 1711.08575 · arxiv_version: 1711.08575v3 · doi: 10.48550/arxiv.1711.08575 · pith_short_12: KUXVGMWFG2FY · pith_short_16: KUXVGMWFG2FYRM54 · pith_short_8: KUXVGMWF

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/KUXVGMWFG2FYRM54NMRJ6TJYKX \
  | 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: 552f5332c5368b88b3bc6b229f4d3855f874fcc7e8a6a441b2db62790e8cd449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad46f0cb6864159e2afa2cf4934b0b347461a9ded9f6d223769038fea29d2815",
    "cross_cats_sorted": [
      "math.DG",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-11-23T05:01:10Z",
    "title_canon_sha256": "ae2b220144f6bbea80fc5bcf6642ea8bb01fffaa9cc3723c2c1204f94f0bc663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08575",
    "kind": "arxiv",
    "version": 3
  }
}