Pith Number

pith:EYSIRQY3

pith:2017:EYSIRQY3EWK4XQ4NEVAEM2MFVE

not attested not anchored not stored refs pending

RAPToR: A Resampling Algorithm for Pseudo-Polar based Tomographic Reconstruction

Shahar Tsiper, Yonina C. Eldar

arxiv:1708.05163 v2 · 2017-08-17 · 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{EYSIRQY3EWK4XQ4NEVAEM2MFVE}

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	2026-05-18T00:19:59.015463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262488c31b2595cbc38d2540466985a93a3456a732b4c9c5145916da11030402

Aliases

arxiv: 1708.05163 · arxiv_version: 1708.05163v2 · doi: 10.48550/arxiv.1708.05163 · pith_short_12: EYSIRQY3EWK4 · pith_short_16: EYSIRQY3EWK4XQ4N · pith_short_8: EYSIRQY3

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/EYSIRQY3EWK4XQ4NEVAEM2MFVE \
  | 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: 262488c31b2595cbc38d2540466985a93a3456a732b4c9c5145916da11030402

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c824d88dd2f6758952c74972534b637473bb4178310d270731816d90b4c41f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-08-17T07:47:08Z",
    "title_canon_sha256": "ef95a033fbd910122247d4deb56a91e99fd59b83bb76947db0229f5f4ee18864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05163",
    "kind": "arxiv",
    "version": 2
  }
}