Pith Number

pith:3LJGQ2BD

pith:2017:3LJGQ2BDI7QAI5I43Y2P5LJVJR

not attested not anchored not stored refs pending

On keen weakly reducbile Heegaard splittings

Qiang E

arxiv:1703.01718 v1 · 2017-03-06 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LJGQ2BDI7QAI5I43Y2P5LJVJR}

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	2026-05-18T00:49:29.872107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad268682347e004751cde34fead354c738a6902d72cbaebc102f0008fedfbbe

Aliases

arxiv: 1703.01718 · arxiv_version: 1703.01718v1 · doi: 10.48550/arxiv.1703.01718 · pith_short_12: 3LJGQ2BDI7QA · pith_short_16: 3LJGQ2BDI7QAI5I4 · pith_short_8: 3LJGQ2BD

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/3LJGQ2BDI7QAI5I43Y2P5LJVJR \
  | 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: dad268682347e004751cde34fead354c738a6902d72cbaebc102f0008fedfbbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d92844742750b746ebda8ab3cfcc19d4344e993c0d4ed9635fcebd1cca800bec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-06T03:37:01Z",
    "title_canon_sha256": "48b4d36d0325eddc52073652537a896269bc732d2315d0e04366d2fce192c521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01718",
    "kind": "arxiv",
    "version": 1
  }
}