Pith Number

pith:TQLPVI7U

pith:2013:TQLPVI7UZUF2LGN2A7IZBIGREP

not attested not anchored not stored refs pending

An iterative algorithm for computed tomography image reconstruction from limited-angle projections

Conggui Liu, Jinxu Tao, Yuli Sun

arxiv:1310.7448 v1 · 2013-09-16 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQLPVI7UZUF2LGN2A7IZBIGREP}

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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	2026-05-17T23:47:32.021473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c16faa3f4cd0ba599ba07d190a0d123e6a68e28512513f9caa19b248bc2216a

Aliases

arxiv: 1310.7448 · arxiv_version: 1310.7448v1 · doi: 10.48550/arxiv.1310.7448 · pith_short_12: TQLPVI7UZUF2 · pith_short_16: TQLPVI7UZUF2LGN2 · pith_short_8: TQLPVI7U

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/TQLPVI7UZUF2LGN2A7IZBIGREP \
  | 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: 9c16faa3f4cd0ba599ba07d190a0d123e6a68e28512513f9caa19b248bc2216a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d329177c2a0251a4946941ff4f47d412c86f8f4e47b1958057fb4a755841bfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-16T07:52:16Z",
    "title_canon_sha256": "cb52bac24f67d83b8e665a009f6ce67f25608b6a36ef05ee520a584a9e706934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7448",
    "kind": "arxiv",
    "version": 1
  }
}