Pith Number

pith:UWAZGU3J

pith:2005:UWAZGU3JSGNN44ZMW65FR2EECR

not attested not anchored not stored refs pending

Reconstruction of a polynomial from its Radon projections

Borislav Bojanov, Yuan Xu

arxiv:math/0503338 v1 · 2005-03-16 · math.NA · cs.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWAZGU3JSGNN44ZMW65FR2EECR}

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	2026-06-03T22:06:16.661462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a581935369919ade732cb7ba58e884146d4097b61986332b021278c8de882751

Aliases

arxiv: math/0503338 · arxiv_version: math/0503338v1 · doi: 10.48550/arxiv.math/0503338 · pith_short_12: UWAZGU3JSGNN · pith_short_16: UWAZGU3JSGNN44ZM · pith_short_8: UWAZGU3J

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/UWAZGU3JSGNN44ZMW65FR2EECR \
  | 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: a581935369919ade732cb7ba58e884146d4097b61986332b021278c8de882751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d6eb2ccd275e393bd55d5b379763fdec4e36a8baaaf3aba05c5d2f85bd53ac9",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-03-16T17:56:34Z",
    "title_canon_sha256": "5623ff97a24493bd255860d35a02232ac4015c4c75095bb85bf84c0eff00c290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503338",
    "kind": "arxiv",
    "version": 1
  }
}