Pith Number

pith:5QMIU56F

pith:2016:5QMIU56FQFD2QRHOEKKTCJYCJZ

not attested not anchored not stored refs pending

The geodesic X-ray transform with matrix weights

Gabriel P. Paternain, Gunther Uhlmann, Hanming Zhou, Mikko Salo

arxiv:1605.07894 v3 · 2016-05-25 · math.DG · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QMIU56FQFD2QRHOEKKTCJYCJZ}

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	2026-05-18T00:14:23.094977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec188a77c58147a844ee22953127024e4b1cd7c2a7c38f4b21bab81358f0a92e

Aliases

arxiv: 1605.07894 · arxiv_version: 1605.07894v3 · doi: 10.48550/arxiv.1605.07894 · pith_short_12: 5QMIU56FQFD2 · pith_short_16: 5QMIU56FQFD2QRHO · pith_short_8: 5QMIU56F

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/5QMIU56FQFD2QRHOEKKTCJYCJZ \
  | 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: ec188a77c58147a844ee22953127024e4b1cd7c2a7c38f4b21bab81358f0a92e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb21278812ca8630b952d444364577614af0ceebf6178946ee42a9318d35be3",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-25T14:21:02Z",
    "title_canon_sha256": "0350735d5ed071b878c2263d1130246584b14100f9665f48a9c6bc2449e8d128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07894",
    "kind": "arxiv",
    "version": 3
  }
}