Pith Number

pith:QI7YIQOU

pith:2024:QI7YIQOU36FKPC653IOCBB2Z5B

not attested not anchored not stored refs pending

Iterative Reconstruction Methods for Cosmological X-Ray Tomography

Julianne Chung, Lucas Onisk, Yiran Wang

arxiv:2405.02073 v1 · 2024-05-03 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QI7YIQOU36FKPC653IOCBB2Z5B}

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	2026-07-05T08:15:06.439782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

823f8441d4df8aa78bddda1c208759e87cc0935ca1112d9efc0ee3d8fc6be58d

Aliases

arxiv: 2405.02073 · arxiv_version: 2405.02073v1 · doi: 10.48550/arxiv.2405.02073 · pith_short_12: QI7YIQOU36FK · pith_short_16: QI7YIQOU36FKPC65 · pith_short_8: QI7YIQOU

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/QI7YIQOU36FKPC653IOCBB2Z5B \
  | 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: 823f8441d4df8aa78bddda1c208759e87cc0935ca1112d9efc0ee3d8fc6be58d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f06b28adfbbe4cf24a8cd095f40393154280c27f113c6067996cd6460273a43",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-05-03T13:06:21Z",
    "title_canon_sha256": "86e79418ae8b439442f6f49e447fbe9ff15fba422e9ca4a97638ad85bc58bf31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02073",
    "kind": "arxiv",
    "version": 1
  }
}