Pith Number

pith:4XLFO6CW

pith:2017:4XLFO6CWYVF5CE33L5RNIU55A6

not attested not anchored not stored refs pending

Sparse Ternary Codes for similarity search have higher coding gain than dense binary codes

Dimche Kostadinov, Slava Voloshynovskiy, Sohrab Ferdowsi, Taras Holotyak

arxiv:1701.07675 v2 · 2017-01-26 · cs.IT · cs.CV · cs.IR · 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{4XLFO6CWYVF5CE33L5RNIU55A6}

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	2026-05-18T00:45:42.735873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d6577856c54bd1137b5f62d453bd0792ec094a5aea3c697b8f7c48b1bda65c

Aliases

arxiv: 1701.07675 · arxiv_version: 1701.07675v2 · doi: 10.48550/arxiv.1701.07675 · pith_short_12: 4XLFO6CWYVF5 · pith_short_16: 4XLFO6CWYVF5CE33 · pith_short_8: 4XLFO6CW

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/4XLFO6CWYVF5CE33L5RNIU55A6 \
  | 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: e5d6577856c54bd1137b5f62d453bd0792ec094a5aea3c697b8f7c48b1bda65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ff14d6e36af5c894aa11a3de682b75558ef37fde0889a9f1a8ae0a00f4c4d1",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-26T12:41:58Z",
    "title_canon_sha256": "33cfe314524a65edbd8548a3294a62db7a586e2a77c1b7424e4f493e8cef4e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07675",
    "kind": "arxiv",
    "version": 2
  }
}