Pith Number

pith:HL7IU37L

pith:2013:HL7IU37LELSP7ABKSJESRR5WJB

not attested not anchored not stored refs pending

Symplectic Rational Blow-up

Tatyana Khodorovskiy

arxiv:1303.2581 v1 · 2013-03-11 · math.SG · 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{HL7IU37LELSP7ABKSJESRR5WJB}

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.

Cited by

2 papers in Pith

The nearby Lagrangian conjecture for pinwheels

Receipt and verification

First computed	2026-05-18T03:31:18.570679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3afe8a6feb22e4ff802a924928c7b6487b3559661942edd997befe450b8277da

Aliases

arxiv: 1303.2581 · arxiv_version: 1303.2581v1 · doi: 10.48550/arxiv.1303.2581 · pith_short_12: HL7IU37LELSP · pith_short_16: HL7IU37LELSP7ABK · pith_short_8: HL7IU37L

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/HL7IU37LELSP7ABKSJESRR5WJB \
  | 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: 3afe8a6feb22e4ff802a924928c7b6487b3559661942edd997befe450b8277da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "139d30f88580af11264d5078d9316f191130c1fa17d6f3b8ea230c8038317be6",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-03-11T16:48:56Z",
    "title_canon_sha256": "cca75adf60598e05b3d91336a9a8a12d13cdde4ea0ca3f85ce5eb58948a85bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2581",
    "kind": "arxiv",
    "version": 1
  }
}