Pith Number

pith:YMMCSEIR

pith:2006:YMMCSEIRIJJH4BIIBOJ34GGE7Y

not attested not anchored not stored refs pending

Homologous Non-isotopic Symplectic Surfaces of Higher Genus

B. Doug Park, Mainak Poddar, Stefano Vidussi

arxiv:math/0601748 v1 · 2006-01-31 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMMCSEIRIJJH4BIIBOJ34GGE7Y}

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	2026-05-17T23:57:44.784286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c31829111142527e05080b93be18c4fe2619747da9ffa6e4f1626477363f3609

Aliases

arxiv: math/0601748 · arxiv_version: math/0601748v1 · doi: 10.48550/arxiv.math/0601748 · pith_short_12: YMMCSEIRIJJH · pith_short_16: YMMCSEIRIJJH4BII · pith_short_8: YMMCSEIR

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/YMMCSEIRIJJH4BIIBOJ34GGE7Y \
  | 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: c31829111142527e05080b93be18c4fe2619747da9ffa6e4f1626477363f3609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b18c6e35be59ecb4afb7eb98c9e2bbed892862ad16f839f5423bcb32eb1ea9",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2006-01-31T00:25:31Z",
    "title_canon_sha256": "e304b74a23487c13e6cdd9f633906da115b9a4f16ae5f80f7308949f4b48110a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601748",
    "kind": "arxiv",
    "version": 1
  }
}