Pith Number

pith:WZDYQDK7

pith:2017:WZDYQDK7EV6VO3OIJ3J4Z2EWWS

not attested not anchored not stored refs pending

Efficiently repairing algebraic geometry codes

Chaoping Xing, Lingfei Jin, Yuan Luo

arxiv:1710.01874 v1 · 2017-10-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZDYQDK7EV6VO3OIJ3J4Z2EWWS}

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	2026-05-18T00:33:38.163976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b647880d5f257d576dc84ed3cce896b4ac301a8765401afc5d42fa1e9747ce1b

Aliases

arxiv: 1710.01874 · arxiv_version: 1710.01874v1 · doi: 10.48550/arxiv.1710.01874 · pith_short_12: WZDYQDK7EV6V · pith_short_16: WZDYQDK7EV6VO3OI · pith_short_8: WZDYQDK7

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/WZDYQDK7EV6VO3OIJ3J4Z2EWWS \
  | 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: b647880d5f257d576dc84ed3cce896b4ac301a8765401afc5d42fa1e9747ce1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38164039f051c3d0073b9067c2d3fd1cfa9fcfcff834ad5ce2a93ba726e42853",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-05T03:42:28Z",
    "title_canon_sha256": "642233b66332ae1b58e462a9956ee597c78226502f2496f007f773f9ca90375e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01874",
    "kind": "arxiv",
    "version": 1
  }
}