Pith Number

pith:BFKOC5GG

pith:2022:BFKOC5GGFXG6CG5COM3CEZ22Z4

not attested not anchored not stored refs pending

The de Rham stack and the variety of very good splittings of a curve

Mark Andrea A. de Cataldo, Michael Groechenig, Siqing Zhang

arxiv:2211.09630 v2 · 2022-11-17 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFKOC5GGFXG6CG5COM3CEZ22Z4}

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	2026-07-05T09:52:06.816800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0954e174c62dcde11ba2733622675acf251c79d3c6ec0fd7905bf06e647b359e

Aliases

arxiv: 2211.09630 · arxiv_version: 2211.09630v2 · doi: 10.48550/arxiv.2211.09630 · pith_short_12: BFKOC5GGFXG6 · pith_short_16: BFKOC5GGFXG6CG5C · pith_short_8: BFKOC5GG

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/BFKOC5GGFXG6CG5COM3CEZ22Z4 \
  | 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: 0954e174c62dcde11ba2733622675acf251c79d3c6ec0fd7905bf06e647b359e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f90daaa879525e8e74d4a20f7f832edcdf42d50b867dd05280fc744a9c9ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-11-17T16:23:32Z",
    "title_canon_sha256": "80836556102b85c7314c0840260ca189010f8908ae9c4201c837b2415b8ba7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09630",
    "kind": "arxiv",
    "version": 2
  }
}