Pith Number

pith:U4HSVZKR

pith:2026:U4HSVZKRUT6F2TVILOWXHDRUFX

not attested not anchored not stored refs pending

V-Line Tensor Tomography in a Disk: Theoretical and Numerical Reconstruction

Madhu Gupta, Rahul Bhardwaj

arxiv:2606.31632 v1 · 2026-06-30 · math.NA · cs.NA · 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{U4HSVZKRUT6F2TVILOWXHDRUFX}

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	2026-07-01T01:18:09.827711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a70f2ae551a4fc5d4ea85bad738e342dcb798b89e0d8ef1eea1a6180f7db9918

Aliases

arxiv: 2606.31632 · arxiv_version: 2606.31632v1 · doi: 10.48550/arxiv.2606.31632 · pith_short_12: U4HSVZKRUT6F · pith_short_16: U4HSVZKRUT6F2TVI · pith_short_8: U4HSVZKR

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/U4HSVZKRUT6F2TVILOWXHDRUFX \
  | 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: a70f2ae551a4fc5d4ea85bad738e342dcb798b89e0d8ef1eea1a6180f7db9918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b0a8e9ea5521ef6903362f7cf3ccbfb04d497109e3aaa0560b9a513f172eee",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-30T13:17:28Z",
    "title_canon_sha256": "0c7d3311a6db8a6f62cb622a45eec52d4faa15cb49c458878b3032275f997284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31632",
    "kind": "arxiv",
    "version": 1
  }
}