Pith Number

pith:CQJM3OIO

pith:2015:CQJM3OIO5QORH5NWT6LLIZS3NA

not attested not anchored not stored refs pending

Hash Function Learning via Codewords

Georgios C. Anagnostopoulos, Michael Georgiopoulos, Yinjie Huang

arxiv:1508.03285 v2 · 2015-08-13 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQJM3OIO5QORH5NWT6LLIZS3NA}

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	2026-05-18T01:35:06.280926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1412cdb90eec1d13f5b69f96b4665b683cd5a2f3d258a1005b58baaea3e263fc

Aliases

arxiv: 1508.03285 · arxiv_version: 1508.03285v2 · doi: 10.48550/arxiv.1508.03285 · pith_short_12: CQJM3OIO5QOR · pith_short_16: CQJM3OIO5QORH5NW · pith_short_8: CQJM3OIO

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/CQJM3OIO5QORH5NWT6LLIZS3NA \
  | 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: 1412cdb90eec1d13f5b69f96b4665b683cd5a2f3d258a1005b58baaea3e263fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86174e8e1aa8c267f6fe0b5bac7de342c8450b1807d5ceac44f1b58b96ce1214",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-08-13T17:55:57Z",
    "title_canon_sha256": "5ee3b825ee86876ce059c651eed5137e8bc223accc7dac6845940cb22a397529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03285",
    "kind": "arxiv",
    "version": 2
  }
}