Pith Number

pith:OXJ5P22V

pith:2015:OXJ5P22V26TUJFLRVVBGNACCBV

not attested not anchored not stored refs pending

Probabilistic existence results for separable codes

Simon R. Blackburn

arxiv:1505.02597 v2 · 2015-05-11 · cs.IT · cs.DM · math.CO · 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{OXJ5P22V26TUJFLRVVBGNACCBV}

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	2026-05-18T00:58:10.798273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75d3d7eb55d7a7449571ad426680420d7e94cc977ecef36e54f5cb2f6d4ac533

Aliases

arxiv: 1505.02597 · arxiv_version: 1505.02597v2 · doi: 10.48550/arxiv.1505.02597 · pith_short_12: OXJ5P22V26TU · pith_short_16: OXJ5P22V26TUJFLR · pith_short_8: OXJ5P22V

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/OXJ5P22V26TUJFLRVVBGNACCBV \
  | 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: 75d3d7eb55d7a7449571ad426680420d7e94cc977ecef36e54f5cb2f6d4ac533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fdd61e70c78b473b6bb5b4d3c41f5057591898f7ace8d7b4d566e044e1db8b7",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-11T13:22:09Z",
    "title_canon_sha256": "2b237ada84dbbaaed2fd43f943d60f0d6a6477af170a20d68ad28082402812be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02597",
    "kind": "arxiv",
    "version": 2
  }
}