Pith Number

pith:FQYTW4U4

pith:2021:FQYTW4U4SJMFGZTVZIYWJBCJLS

not attested not anchored not stored refs pending

Geometry and analysis of contact instantons and entanglement of Legendrian links I

Yong-Geun Oh

arxiv:2111.02597 v6 · 2021-11-04 · math.SG · math.DG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQYTW4U4SJMFGZTVZIYWJBCJLS}

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

1 paper in Pith

Equivariant Floer cohomology for contactomorphisms of quotient spaces

Receipt and verification

First computed	2026-07-05T09:13:45.852043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c313b729c9258536675ca316484495c9f5127d64a4d3e8fb53fb356e311113f

Aliases

arxiv: 2111.02597 · arxiv_version: 2111.02597v6 · doi: 10.48550/arxiv.2111.02597 · pith_short_12: FQYTW4U4SJMF · pith_short_16: FQYTW4U4SJMFGZTV · pith_short_8: FQYTW4U4

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/FQYTW4U4SJMFGZTVZIYWJBCJLS \
  | 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: 2c313b729c9258536675ca316484495c9f5127d64a4d3e8fb53fb356e311113f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d23578f8295b51c03b655e81dd5cf1422584a91e8e3bc6047c18e8247e0c6d",
    "cross_cats_sorted": [
      "math.DG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2021-11-04T02:46:41Z",
    "title_canon_sha256": "ca05916703912e3312dbfe0be42efc2ee311b5a40585c02af9725a79d0e60f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02597",
    "kind": "arxiv",
    "version": 6
  }
}