Pith Number

pith:BKTTKDIH

pith:2018:BKTTKDIHBJEXI67T7WVBSUT3KW

not attested not anchored not stored refs pending

Learning to Reason

Brian Groenke

arxiv:1810.05315 v1 · 2018-10-12 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKTTKDIHBJEXI67T7WVBSUT3KW}

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	2026-05-18T00:03:31.024287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aa7350d070a49747bf3fdaa19527b55b658f736ec2082401fdc232c21bedf09

Aliases

arxiv: 1810.05315 · arxiv_version: 1810.05315v1 · doi: 10.48550/arxiv.1810.05315 · pith_short_12: BKTTKDIHBJEX · pith_short_16: BKTTKDIHBJEXI67T · pith_short_8: BKTTKDIH

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/BKTTKDIHBJEXI67T7WVBSUT3KW \
  | 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: 0aa7350d070a49747bf3fdaa19527b55b658f736ec2082401fdc232c21bedf09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64092e097734bcde544986c5321d20cd54f1fd8916811c9edc9d7f10e8c4484a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-10-12T01:50:24Z",
    "title_canon_sha256": "09a210a42deff819f182f69d03ee09360da634a307c0b6e88bcfaa3e9a1208b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05315",
    "kind": "arxiv",
    "version": 1
  }
}