Pith Number

pith:O4ITZJCS

pith:2013:O4ITZJCSKIHTNS5LVLKWISFSQK

not attested not anchored not stored refs pending

On the large-scale geometry of the L^p-metric on the symplectomorphism group of the two-sphere

Egor Shelukhin, Michael Brandenbursky

arxiv:1304.7037 v2 · 2013-04-25 · math.GT · math.DG · math.SG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4ITZJCSKIHTNS5LVLKWISFSQK}

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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

1 paper in Pith

Quasimorphisms on surfaces and continuity in the Hofer norm

Receipt and verification

First computed	2026-05-18T02:49:46.073666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77113ca452520f36cbabaad56448b282b6194cbdb0848f4f9137a9942bb27f2c

Aliases

arxiv: 1304.7037 · arxiv_version: 1304.7037v2 · doi: 10.48550/arxiv.1304.7037 · pith_short_12: O4ITZJCSKIHT · pith_short_16: O4ITZJCSKIHTNS5L · pith_short_8: O4ITZJCS

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/O4ITZJCSKIHTNS5LVLKWISFSQK \
  | 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: 77113ca452520f36cbabaad56448b282b6194cbdb0848f4f9137a9942bb27f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9752e0166218dd938d196fababad19ff33ab37734b64f8e887be597425a7ca",
    "cross_cats_sorted": [
      "math.DG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-04-25T22:28:37Z",
    "title_canon_sha256": "11fb371a8b60985e9d339a4ffcd604c6a9fc31d5b0f24382e83bf57830e2c611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7037",
    "kind": "arxiv",
    "version": 2
  }
}