Pith Number

pith:3ROPN5LM

pith:2017:3ROPN5LMR4JHSQWBVQ4ZYQWKBS

not attested not anchored not stored refs pending

LangPro: Natural Language Theorem Prover

Lasha Abzianidze

arxiv:1708.09417 v1 · 2017-08-30 · 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{3ROPN5LMR4JHSQWBVQ4ZYQWKBS}

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	2026-05-18T00:36:18.855856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc5cf6f56c8f127942c1ac399c42ca0cbe91ed71e716c8dee0fd790751a3329b

Aliases

arxiv: 1708.09417 · arxiv_version: 1708.09417v1 · doi: 10.48550/arxiv.1708.09417 · pith_short_12: 3ROPN5LMR4JH · pith_short_16: 3ROPN5LMR4JHSQWB · pith_short_8: 3ROPN5LM

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/3ROPN5LMR4JHSQWBVQ4ZYQWKBS \
  | 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: dc5cf6f56c8f127942c1ac399c42ca0cbe91ed71e716c8dee0fd790751a3329b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62047ac897b7489f69e684fcc7356e40774bf84feaaf892e3df9050f0a3f5cf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-08-30T18:22:28Z",
    "title_canon_sha256": "51ff87a8094f476727b429872d4e4cf94d312cd3de0fed074987c2fc1eb9b777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09417",
    "kind": "arxiv",
    "version": 1
  }
}