Pith Number

pith:BDML32TB

pith:2026:BDML32TB6SDJT4XVRQNN3ROMFJ

not attested not anchored not stored refs pending

On L-space surgeries on two-bridge links

Diego Santoro, Hugo Zhou

arxiv:2606.27145 v1 · 2026-06-25 · 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{BDML32TB6SDJT4XVRQNN3ROMFJ}

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	2026-06-26T01:16:11.461950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d8bdea61f48699f2f58c1addc5cc2a70480d4c76f74f4308ee6f9e5d51c8cd

Aliases

arxiv: 2606.27145 · arxiv_version: 2606.27145v1 · doi: 10.48550/arxiv.2606.27145 · pith_short_12: BDML32TB6SDJ · pith_short_16: BDML32TB6SDJT4XV · pith_short_8: BDML32TB

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/BDML32TB6SDJT4XVRQNN3ROMFJ \
  | 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: 08d8bdea61f48699f2f58c1addc5cc2a70480d4c76f74f4308ee6f9e5d51c8cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37deb33080ed54b96b284feb36d14f781a0f9c482768e02883b85d00a384581e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-06-25T15:17:50Z",
    "title_canon_sha256": "9c30b266a2e487177472568edcb6ef1e92e4a9dc2d8fc0354654d9e4602fe50f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27145",
    "kind": "arxiv",
    "version": 1
  }
}