Pith Number

pith:KIKWMYMH

pith:2023:KIKWMYMHUNCIJJEV2LYVB7ADN4

not attested not anchored not stored refs pending

Measures of association between algebraic varieties, II: self-correspondences

Olivier Martin, Robert Lazarsfeld

arxiv:2302.14198 v3 · 2023-02-27 · 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{KIKWMYMHUNCIJJEV2LYVB7ADN4}

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	2026-05-20T14:03:16.388036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5215666187a34484a495d2f150fc036f3309d8efd861d3dd62dab018f63fe65f

Aliases

arxiv: 2302.14198 · arxiv_version: 2302.14198v3 · doi: 10.48550/arxiv.2302.14198 · pith_short_12: KIKWMYMHUNCI · pith_short_16: KIKWMYMHUNCIJJEV · pith_short_8: KIKWMYMH

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/KIKWMYMHUNCIJJEV2LYVB7ADN4 \
  | 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: 5215666187a34484a495d2f150fc036f3309d8efd861d3dd62dab018f63fe65f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2c59e15f57fc79d090bf90f335bd805d4b4e7877824c87d74b98360bb144a3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-02-27T23:30:04Z",
    "title_canon_sha256": "0743aca368a00f140fc07c9f0f716a42fd455e10b6e64900940348824fba116e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14198",
    "kind": "arxiv",
    "version": 3
  }
}