Pith Number

pith:EHGJVKPW

pith:2026:EHGJVKPWRVVXZUS32TNLZRN43A

not attested not anchored not stored refs pending

Stratified motivic invariants and bivariate deformations of Poincar\'e polynomials

Gergely B\'erczi, Young-Hoon Kiem

arxiv:2607.23890 v1 · 2026-07-26 · 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{EHGJVKPWRVVXZUS32TNLZRN43A}

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	2026-07-28T01:23:16.295399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cc9aa9f68d6b7cd25bd4dabcc5bcd811fd1492e6f23ede6080987efc391120

Aliases

arxiv: 2607.23890 · arxiv_version: 2607.23890v1 · doi: 10.48550/arxiv.2607.23890 · pith_short_12: EHGJVKPWRVVX · pith_short_16: EHGJVKPWRVVXZUS3 · pith_short_8: EHGJVKPW

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/EHGJVKPWRVVXZUS32TNLZRN43A \
  | 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: 21cc9aa9f68d6b7cd25bd4dabcc5bcd811fd1492e6f23ede6080987efc391120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18bdb0d3d3b8d97466c4b1003fd518bf71b2b14936701c5906d5fc6544bf6721",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-26T23:26:16Z",
    "title_canon_sha256": "5088e5fd289c105ea4df11530b758c9119b27702473106aeeebb5a052d9b5502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23890",
    "kind": "arxiv",
    "version": 1
  }
}