Pith Number

pith:MV22NZNQ

pith:2014:MV22NZNQI4ELQA53R7RLGZR2IY

not attested not anchored not stored refs pending

Tight Planar Contact Manifolds with Vanishing Heegaard Floer Contact Invariants

Amey Kaloti, Dheeraj Kulkarni, James Conway

arxiv:1409.4055 v3 · 2014-09-14 · 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{MV22NZNQI4ELQA53R7RLGZR2IY}

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	2026-05-18T01:04:31.102747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6575a6e5b04708b803bb8fe2b3663a462186d5665a18abd68d4204836c5e967c

Aliases

arxiv: 1409.4055 · arxiv_version: 1409.4055v3 · doi: 10.48550/arxiv.1409.4055 · pith_short_12: MV22NZNQI4EL · pith_short_16: MV22NZNQI4ELQA53 · pith_short_8: MV22NZNQ

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/MV22NZNQI4ELQA53R7RLGZR2IY \
  | 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: 6575a6e5b04708b803bb8fe2b3663a462186d5665a18abd68d4204836c5e967c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e5dc81b3dc61b08fae193497983325db9186b83f3c0a32b56e8465e9dde5b5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-14T13:37:34Z",
    "title_canon_sha256": "eede7363858d26299885e0e5d17619645005807f1a9d464fbb8d4ee9d634e008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4055",
    "kind": "arxiv",
    "version": 3
  }
}