Pith Number

pith:JW4TRXXU

pith:2019:JW4TRXXUGQYXQDTK2TWPWK7ENZ

not attested not anchored not stored refs pending

Homologically trivial symplectic cyclic actions need not extend to Hamiltonian circle actions

Liat Kessler, River Chiang

arxiv:1903.11568 v1 · 2019-03-27 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JW4TRXXUGQYXQDTK2TWPWK7ENZ}

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	2026-05-17T23:50:02.905256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db938def43431780e6ad4ecfb2be46e51dedc5e857de788207b82d81f98581b

Aliases

arxiv: 1903.11568 · arxiv_version: 1903.11568v1 · doi: 10.48550/arxiv.1903.11568 · pith_short_12: JW4TRXXUGQYX · pith_short_16: JW4TRXXUGQYXQDTK · pith_short_8: JW4TRXXU

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/JW4TRXXUGQYXQDTK2TWPWK7ENZ \
  | 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: 4db938def43431780e6ad4ecfb2be46e51dedc5e857de788207b82d81f98581b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b76cc38f6c11c7132f14103636ad4db26436e4bc34a9f731b1b5d3213d21d36",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2019-03-27T17:31:20Z",
    "title_canon_sha256": "c84387e4f1d647b7bfd5fa127cb53891120521b60c7f3bbfe73a9afec094ea18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11568",
    "kind": "arxiv",
    "version": 1
  }
}