Pith Number

pith:CCB2CDRW

pith:2016:CCB2CDRWKRP65DJNMLOFRTZWPZ

not attested not anchored not stored refs pending

Limited Tomography Reconstruction via Tight Frame and Sinogram Extrapolation

Bin Dong, Jae Kyu Choi, Xiaoqun Zhang

arxiv:1602.07049 v1 · 2016-02-23 · math.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{CCB2CDRWKRP65DJNMLOFRTZWPZ}

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	2026-05-18T01:20:07.302885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1083a10e36545fee8d2d62dc58cf367e556c3358a7c44f38414e5154cad0401e

Aliases

arxiv: 1602.07049 · arxiv_version: 1602.07049v1 · doi: 10.48550/arxiv.1602.07049 · pith_short_12: CCB2CDRWKRP6 · pith_short_16: CCB2CDRWKRP65DJN · pith_short_8: CCB2CDRW

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/CCB2CDRWKRP65DJNMLOFRTZWPZ \
  | 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: 1083a10e36545fee8d2d62dc58cf367e556c3358a7c44f38414e5154cad0401e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37580f1f64c7dc7e68882f78b8f13ad4d5b46665c8535b47b736b1e301992f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-23T06:29:33Z",
    "title_canon_sha256": "c270c8489e6e726ccf1fae04385e1926af5becc8df3920f760a4e47d671528c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07049",
    "kind": "arxiv",
    "version": 1
  }
}