Pith Number

pith:4GS43DNU

pith:2026:4GS43DNU3ENVHVEUDC4KRLPMSP

not attested not anchored not stored refs pending

Cohomological Hall algebras of one-dimensional sheaves on surfaces and Yangians

Duiliu-Emanuel Diaconescu, Eric Vasserot, Francesco Sala, Mauro Porta, Olivier Schiffmann

arxiv:2603.03386 v2 · 2026-03-03 · math.AG · hep-th · math.QA · 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{4GS43DNU3ENVHVEUDC4KRLPMSP}

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	2026-06-09T02:07:22.977396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a5cd8db4d91b53d49418b8a8adec93e2fa9557df2f059cc9b68a97f23b2e7d

Aliases

arxiv: 2603.03386 · arxiv_version: 2603.03386v2 · doi: 10.48550/arxiv.2603.03386 · pith_short_12: 4GS43DNU3ENV · pith_short_16: 4GS43DNU3ENVHVEU · pith_short_8: 4GS43DNU

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/4GS43DNU3ENVHVEUDC4KRLPMSP \
  | 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: e1a5cd8db4d91b53d49418b8a8adec93e2fa9557df2f059cc9b68a97f23b2e7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a4161d1b67f05a32d29dc81b3406232b136ab2015266fc534509f5222553f59",
    "cross_cats_sorted": [
      "hep-th",
      "math.QA",
      "math.RT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-03-03T07:26:48Z",
    "title_canon_sha256": "53ee610a663818a611ded92d5e407af332916e9474452c590630508bb010e764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.03386",
    "kind": "arxiv",
    "version": 2
  }
}