Pith Number

pith:ZEF2O34M

pith:2017:ZEF2O34MHWL4A7BOXZTYJBCOYS

not attested not anchored not stored refs pending

Guess & Check Codes for Deletions, Insertions, and Synchronization

Salim El Rouayheb, Serge Kas Hanna

arxiv:1705.09569 v3 · 2017-05-24 · 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{ZEF2O34MHWL4A7BOXZTYJBCOYS}

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	2026-05-18T00:15:05.517504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c90ba76f8c3d97c07c2ebe6784844ec486bb11a42aa6c0409aad08f4b59f659b

Aliases

arxiv: 1705.09569 · arxiv_version: 1705.09569v3 · doi: 10.48550/arxiv.1705.09569 · pith_short_12: ZEF2O34MHWL4 · pith_short_16: ZEF2O34MHWL4A7BO · pith_short_8: ZEF2O34M

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/ZEF2O34MHWL4A7BOXZTYJBCOYS \
  | 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: c90ba76f8c3d97c07c2ebe6784844ec486bb11a42aa6c0409aad08f4b59f659b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4171f342a1e184fa201dcc94f12ea9365510d3af7de7c72051b0950215d14b77",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-24T20:16:59Z",
    "title_canon_sha256": "2b430dd5a49b87bf3622d304aec49101873ed6dd5a1897bbaed4d8ec7e198a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09569",
    "kind": "arxiv",
    "version": 3
  }
}