Pith Number

pith:7FEOD4DP

pith:2017:7FEOD4DPHPDLEZ4HK3O4C4N6YW

not attested not anchored not stored refs pending

On Legendrian Embbeddings into Open Book Decompositions

M. Firat Arikan, Selman Akbulut

arxiv:1702.07415 v2 · 2017-02-23 · 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{7FEOD4DPHPDLEZ4HK3O4C4N6YW}

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	2026-05-18T00:20:22.323151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f948e1f06f3bc6b2678756ddc171bec5b141f72d3dacad3890332cc8382a7c9b

Aliases

arxiv: 1702.07415 · arxiv_version: 1702.07415v2 · doi: 10.48550/arxiv.1702.07415 · pith_short_12: 7FEOD4DPHPDL · pith_short_16: 7FEOD4DPHPDLEZ4H · pith_short_8: 7FEOD4DP

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/7FEOD4DPHPDLEZ4HK3O4C4N6YW \
  | 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: f948e1f06f3bc6b2678756ddc171bec5b141f72d3dacad3890332cc8382a7c9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03937a8b2f11eb9b257743f35a15a127e6ba9ea6e17fd69d5b3a34941d496b71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-02-23T23:05:24Z",
    "title_canon_sha256": "fd12e55123d9165bc639709340b18c24d8eb0be8775dc45a749c103e9060a7fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07415",
    "kind": "arxiv",
    "version": 2
  }
}