Pith Number

pith:4PRLR4HV

pith:2009:4PRLR4HV2T7DRXQ6RUR3GLIWDX

not attested not anchored not stored refs pending

Contact Structures on Plumbed 3-Manifolds

Cagri Karakurt

arxiv:0910.3965 v3 · 2009-10-20 · 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{4PRLR4HV2T7DRXQ6RUR3GLIWDX}

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	2026-05-18T01:28:22.153722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e2b8f0f5d4fe38de1e8d23b32d161df85b33c7fde0aca0418da8bea390b998

Aliases

arxiv: 0910.3965 · arxiv_version: 0910.3965v3 · doi: 10.48550/arxiv.0910.3965 · pith_short_12: 4PRLR4HV2T7D · pith_short_16: 4PRLR4HV2T7DRXQ6 · pith_short_8: 4PRLR4HV

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/4PRLR4HV2T7DRXQ6RUR3GLIWDX \
  | 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: e3e2b8f0f5d4fe38de1e8d23b32d161df85b33c7fde0aca0418da8bea390b998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7d95fba66218ac5f39c83d7b8b6309243f04bf400e4cc920934ceff340270c",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-10-20T21:13:15Z",
    "title_canon_sha256": "b6e5451e056134834c794e59355b7ec091d2f82fe276a1c8927a7a48a33a9a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3965",
    "kind": "arxiv",
    "version": 3
  }
}