Pith Number

pith:W3JMU33Q

pith:2022:W3JMU33QDBVQY6YQCTHHUY33UX

not attested not anchored not stored refs pending

Interpretable Proof Generation via Iterative Backward Reasoning

Hanhao Qu, Jun Gao, Liang Ding, Ruifeng Xu, Yu Cao

arxiv:2205.10714 v2 · 2022-05-22 · cs.CL · 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{W3JMU33QDBVQY6YQCTHHUY33UX}

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	2026-07-05T04:26:04.703382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6d2ca6f70186b0c7b1014ce7a637ba5fef4665559d57a2fbf4bebaa8a3f1b6d

Aliases

arxiv: 2205.10714 · arxiv_version: 2205.10714v2 · doi: 10.48550/arxiv.2205.10714 · pith_short_12: W3JMU33QDBVQ · pith_short_16: W3JMU33QDBVQY6YQ · pith_short_8: W3JMU33Q

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/W3JMU33QDBVQY6YQCTHHUY33UX \
  | 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: b6d2ca6f70186b0c7b1014ce7a637ba5fef4665559d57a2fbf4bebaa8a3f1b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed83e53d802774ec6cf5813bb1ea52d39e2234c5c942676fb1fb87979e52cc73",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-05-22T02:44:14Z",
    "title_canon_sha256": "e7faf7442b6273fb8927000f40e70d59469a66e90118c88d0d0938a4145b362e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.10714",
    "kind": "arxiv",
    "version": 2
  }
}