Pith Number

pith:XOLR7P2I

pith:2018:XOLR7P2I5C3ZR67XZC5AYBPGIW

not attested not anchored not stored refs pending

Iso-contact embeddings of manifolds in co-dimension $2$

Dishant M. Pancholi, Suhas Pandit

arxiv:1808.04059 v3 · 2018-08-13 · 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{XOLR7P2I5C3ZR67XZC5AYBPGIW}

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

The Legendrian Whitney trick

Receipt and verification

First computed	2026-07-05T00:03:12.376160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb971fbf48e8b798fbf7c8ba0c05e645acf43b6b054b675de5870d981c41fcbd

Aliases

arxiv: 1808.04059 · arxiv_version: 1808.04059v3 · doi: 10.48550/arxiv.1808.04059 · pith_short_12: XOLR7P2I5C3Z · pith_short_16: XOLR7P2I5C3ZR67X · pith_short_8: XOLR7P2I

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/XOLR7P2I5C3ZR67XZC5AYBPGIW \
  | 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: bb971fbf48e8b798fbf7c8ba0c05e645acf43b6b054b675de5870d981c41fcbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79099d70ea96894dd3384b2ca61c29c07048fee970e5b092cb4d4dd55c578060",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-08-13T04:10:06Z",
    "title_canon_sha256": "570b94fd86fa85273eb2bd60d46489b29a43f221697e5b7c347a370985f605f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04059",
    "kind": "arxiv",
    "version": 3
  }
}