Pith Number

pith:EHOZQGY3

pith:2014:EHOZQGY3PS4RINXODNEHKS2H3I

not attested not anchored not stored refs pending

Word learning under infinite uncertainty

Andrew D. M. Smith, Kenny Smith, Richard A. Blythe

arxiv:1412.2487 v2 · 2014-12-08 · physics.soc-ph · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHOZQGY3PS4RINXODNEHKS2H3I}

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	2026-05-18T01:19:55.518879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21dd981b1b7cb91436ee1b48754b47da1de196df4444d9ce697d0805b9575dcf

Aliases

arxiv: 1412.2487 · arxiv_version: 1412.2487v2 · doi: 10.48550/arxiv.1412.2487 · pith_short_12: EHOZQGY3PS4R · pith_short_16: EHOZQGY3PS4RINXO · pith_short_8: EHOZQGY3

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/EHOZQGY3PS4RINXODNEHKS2H3I \
  | 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: 21dd981b1b7cb91436ee1b48754b47da1de196df4444d9ce697d0805b9575dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdd398fb87c365081a070c0edeb3e6032378b07b4d512ee5748a0245b3f0a7e7",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-12-08T09:08:32Z",
    "title_canon_sha256": "ee0e0500174b7280d43728f5fbb6c457e85f896775c7abfa6c1ba79ee6af0adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2487",
    "kind": "arxiv",
    "version": 2
  }
}