Pith Number

pith:APHHMD2X

pith:2023:APHHMD2XXXOTUSTILLNRULCFLV

not attested not anchored not stored refs pending

Coherent sheaves on surfaces, COHAs and deformed $W_{1+\infty}$-algebras

Alexandre Minets, Anton Mellit, Eric Vasserot, Olivier Schiffmann

arxiv:2311.13415 v2 · 2023-11-22 · math.AG · 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{APHHMD2XXXOTUSTILLNRULCFLV}

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	2026-05-26T02:03:45.027583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ce760f57bddd3a4a685adb1a2c455d75552dd4e815e8b1896ac7935e545bfd

Aliases

arxiv: 2311.13415 · arxiv_version: 2311.13415v2 · doi: 10.48550/arxiv.2311.13415 · pith_short_12: APHHMD2XXXOT · pith_short_16: APHHMD2XXXOTUSTI · pith_short_8: APHHMD2X

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/APHHMD2XXXOTUSTILLNRULCFLV \
  | 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: 03ce760f57bddd3a4a685adb1a2c455d75552dd4e815e8b1896ac7935e545bfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2824da3172700b50bafde03db6db9d2caa2e90349244b389de6584cef1d93d34",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-11-22T14:25:26Z",
    "title_canon_sha256": "6f1035f7e0566ac6eb95976ee9afd3a16aaaaa2428668f252633540fb1501a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.13415",
    "kind": "arxiv",
    "version": 2
  }
}