Pith Number

pith:UP7U7MDL

pith:2015:UP7U7MDLHALZTKUCVAMT2Z77FU

not attested not anchored not stored refs pending

Update on quantum cohomology of IG(2,2n)

Anton Mellit, Maxim Smirnov, Nicolas Perrin

arxiv:1510.07903 v2 · 2015-10-27 · 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{UP7U7MDLHALZTKUCVAMT2Z77FU}

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	2026-05-18T00:45:01.824405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ff4fb06b381799aa82a8193d67ff2d21b30b8495fc4df3db39e0ad7adec5b9

Aliases

arxiv: 1510.07903 · arxiv_version: 1510.07903v2 · doi: 10.48550/arxiv.1510.07903 · pith_short_12: UP7U7MDLHALZ · pith_short_16: UP7U7MDLHALZTKUC · pith_short_8: UP7U7MDL

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/UP7U7MDLHALZTKUCVAMT2Z77FU \
  | 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: a3ff4fb06b381799aa82a8193d67ff2d21b30b8495fc4df3db39e0ad7adec5b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed52ae720424d68da9c11cbce6f22a12a747808af33b145bd14559fcf102467b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-10-27T13:51:54Z",
    "title_canon_sha256": "8bf8677b6e737ed2149eb1f19723991ea3a8d4b2cbbbdd626be5c898655bcd35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07903",
    "kind": "arxiv",
    "version": 2
  }
}