Pith Number

pith:BUJYTIQU

pith:2022:BUJYTIQUB6KTPXEK5EM4ZCSI36

not attested not anchored not stored refs pending

Cohomology of moduli spaces via a result of Chenevier and Lannes

Carel Faber, Jonas Bergstr\"om

arxiv:2207.05130 v4 · 2022-07-11 · 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{BUJYTIQUB6KTPXEK5EM4ZCSI36}

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	2026-05-20T14:03:15.737961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1389a2140f9537dc8ae919cc8a48dfbc1e25371defb5b9a6bb8866ce900de9

Aliases

arxiv: 2207.05130 · arxiv_version: 2207.05130v4 · doi: 10.48550/arxiv.2207.05130 · pith_short_12: BUJYTIQUB6KT · pith_short_16: BUJYTIQUB6KTPXEK · pith_short_8: BUJYTIQU

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/BUJYTIQUB6KTPXEK5EM4ZCSI36 \
  | 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: 0d1389a2140f9537dc8ae919cc8a48dfbc1e25371defb5b9a6bb8866ce900de9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33272d8218e7e7c55bc4b6bf16a7f03971ca4b91ebb001b82a588d3db7569ba3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-07-11T18:48:58Z",
    "title_canon_sha256": "0023a36752d570b90598f61cf5165a29d79e6196da0614470ad700a8ca0e8f3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05130",
    "kind": "arxiv",
    "version": 4
  }
}