Pith Number

pith:4KHHUU5W

pith:2026:4KHHUU5WG26ZZFJK2BNM3XFKOC

not attested not anchored not stored refs pending

Symbolic Augmentation Closes a Canonical-Equivalence Blind Spot in Neural Fact-Checkers

Genpei Zhang

arxiv:2607.16212 v1 · 2026-05-19 · 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{4KHHUU5WG26ZZFJK2BNM3XFKOC}

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	2026-07-21T00:20:06.022650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28e7a53b636bd9c952ad05acddcaa70a9474cbc1e67ff6737c929697695fd3c

Aliases

arxiv: 2607.16212 · arxiv_version: 2607.16212v1 · doi: 10.48550/arxiv.2607.16212 · pith_short_12: 4KHHUU5WG26Z · pith_short_16: 4KHHUU5WG26ZZFJK · pith_short_8: 4KHHUU5W

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/4KHHUU5WG26ZZFJK2BNM3XFKOC \
  | 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: e28e7a53b636bd9c952ad05acddcaa70a9474cbc1e67ff6737c929697695fd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b6556cacc181eaea245aa71166d84c4cfe1ea7a1886dd0ec0655e7c3d6300c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-19T15:58:00Z",
    "title_canon_sha256": "fa96001bf24d27c6cb2c57779c45be5cfcb0d9fc9c5065c28776beaa64dedea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16212",
    "kind": "arxiv",
    "version": 1
  }
}