Pith Number

pith:IZTR25SR

pith:2014:IZTR25SRBZJOQKFRHHCICR6TAJ

not attested not anchored not stored refs pending

Definition of Cylindrical Contact Homology in dimension three

Erkao Bao, Ko Honda

arxiv:1412.0276 v3 · 2014-11-30 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZTR25SRBZJOQKFRHHCICR6TAJ}

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	2026-05-18T00:05:34.848169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46671d76510e52e828b139c48147d302554a0d8f32976512ebf2e827db641730

Aliases

arxiv: 1412.0276 · arxiv_version: 1412.0276v3 · doi: 10.48550/arxiv.1412.0276 · pith_short_12: IZTR25SRBZJO · pith_short_16: IZTR25SRBZJOQKFR · pith_short_8: IZTR25SR

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/IZTR25SRBZJOQKFRHHCICR6TAJ \
  | 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: 46671d76510e52e828b139c48147d302554a0d8f32976512ebf2e827db641730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979b48bb2fe8f7f9eed5f425470c8a4a37173a10b5c055187d95ee19e2346e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-11-30T20:19:40Z",
    "title_canon_sha256": "4003009fddecfb3b2c7b542696d4f1f8cf0fd19fdbb6d3e996ffd3c7f6af157a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0276",
    "kind": "arxiv",
    "version": 3
  }
}