Pith Number

pith:IZRZ2QJH

pith:2019:IZRZ2QJH2MTZ6SWNL7VVPOG2HU

not attested not anchored not stored refs pending

Calabi-Yau properties of ribbon graph orders

Wassilij Gnedin

arxiv:1908.08895 v1 · 2019-08-23 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZRZ2QJH2MTZ6SWNL7VVPOG2HU}

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	2026-07-04T23:59:25.018822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46639d4127d3279f4acd5feb57b8da3d0e0ede3d1f70a8768b6eae40ea39f1e4

Aliases

arxiv: 1908.08895 · arxiv_version: 1908.08895v1 · doi: 10.48550/arxiv.1908.08895 · pith_short_12: IZRZ2QJH2MTZ · pith_short_16: IZRZ2QJH2MTZ6SWN · pith_short_8: IZRZ2QJH

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/IZRZ2QJH2MTZ6SWNL7VVPOG2HU \
  | 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: 46639d4127d3279f4acd5feb57b8da3d0e0ede3d1f70a8768b6eae40ea39f1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d40a6ebd6164ffdb0b9b2c64d7b4264b7ddd70a8d1a2ddb60f25f29ba7feac15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-08-23T16:32:03Z",
    "title_canon_sha256": "5fe3f786333c72200cac10196005b8cefdbe8516a64cfbe570f868d345f8bb9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08895",
    "kind": "arxiv",
    "version": 1
  }
}