Pith Number

pith:TGOUQTJS

pith:2018:TGOUQTJSWZN3LJJLBMO6YCALCE

not attested not anchored not stored refs pending

Summary on the proof of BAB Conjecture

Yanning Xu

arxiv:1804.07681 v1 · 2018-04-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGOUQTJSWZN3LJJLBMO6YCALCE}

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	2026-05-18T00:17:58.080704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

999d484d32b65bb5a52b0b1dec080b112275a4bc04540ef685335fc311e62088

Aliases

arxiv: 1804.07681 · arxiv_version: 1804.07681v1 · doi: 10.48550/arxiv.1804.07681 · pith_short_12: TGOUQTJSWZN3 · pith_short_16: TGOUQTJSWZN3LJJL · pith_short_8: TGOUQTJS

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/TGOUQTJSWZN3LJJLBMO6YCALCE \
  | 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: 999d484d32b65bb5a52b0b1dec080b112275a4bc04540ef685335fc311e62088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a9028c95b9fe28b3f2334e0c8adad23237c6f70adc32030abb8b3ee9c9f1774",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-19T00:03:01Z",
    "title_canon_sha256": "2ca92e4869f650c33444299bfc834f6c73ef2ad1540de03974788623a02a89ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07681",
    "kind": "arxiv",
    "version": 1
  }
}