Pith Number

pith:YP5V4X4Z

pith:2014:YP5V4X4ZPO2LJX3UBXS3QNR2MN

not attested not anchored not stored refs pending

On Stein fillings of contact torus bundles

Marco Golla, Paolo Lisca

arxiv:1412.0828 v2 · 2014-12-02 · 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{YP5V4X4ZPO2LJX3UBXS3QNR2MN}

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	2026-05-18T00:44:28.624823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fb5e5f997bb4b4df740de5b8363a636f52c6ffbc205a6ef382ac4c06d77c6d

Aliases

arxiv: 1412.0828 · arxiv_version: 1412.0828v2 · doi: 10.48550/arxiv.1412.0828 · pith_short_12: YP5V4X4ZPO2L · pith_short_16: YP5V4X4ZPO2LJX3U · pith_short_8: YP5V4X4Z

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/YP5V4X4ZPO2LJX3UBXS3QNR2MN \
  | 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: c3fb5e5f997bb4b4df740de5b8363a636f52c6ffbc205a6ef382ac4c06d77c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce880ca3077c58a487422bd80397edcd8eba84a0800f45e93b74b5abd3c14fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-12-02T09:43:38Z",
    "title_canon_sha256": "d89506cf0c8d82e7d100ef30d0f637663010df7cf094fab295a24e78c532a40d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0828",
    "kind": "arxiv",
    "version": 2
  }
}