Pith Number

pith:U2NDVURH

pith:2026:U2NDVURHIIJS555XYQQXA76TT2

not attested not anchored not stored refs pending

Planar multilinks and rational singularities

M\'arton Beke, Olga Plamenevskaya

arxiv:2605.18994 v1 · 2026-05-18 · math.GT · 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{U2NDVURHIIJS555XYQQXA76TT2}

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	2026-05-20T00:06:42.019596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69a3ad22742132ef7b7c421707fd39eab4011bdf937fddd7282ee8344990a29

Aliases

arxiv: 2605.18994 · arxiv_version: 2605.18994v1 · doi: 10.48550/arxiv.2605.18994 · pith_short_12: U2NDVURHIIJS · pith_short_16: U2NDVURHIIJS555X · pith_short_8: U2NDVURH

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/U2NDVURHIIJS555XYQQXA76TT2 \
  | 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: a69a3ad22742132ef7b7c421707fd39eab4011bdf937fddd7282ee8344990a29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e2ec344a986e815f2b1e3662afd5f7673eba6a7e85c14da712d7bccb798f090",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-05-18T18:12:43Z",
    "title_canon_sha256": "fd4e420bedbd428d9d6a4157a83e7a0797c4ef47bc0e6541b204406b63de12c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18994",
    "kind": "arxiv",
    "version": 1
  }
}