Pith Number

pith:Y4ONISI6

pith:2019:Y4ONISI6JPJTRFSANDK7G5KUX3

not attested not anchored not stored refs pending

Generalization of a conjecture of Mumford

Ananyo Dan, Inder Kaur

arxiv:1908.02279 v3 · 2019-08-04 · 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{Y4ONISI6JPJTRFSANDK7G5KUX3}

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.

Cited by

1 paper in Pith

Generators of the cohomology ring, after Newstead

Receipt and verification

First computed	2026-07-05T02:23:55.909907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71cd4491e4bd338964068d5f37554bef5ef4fed98eef85bd634c64ded814277

Aliases

arxiv: 1908.02279 · arxiv_version: 1908.02279v3 · doi: 10.48550/arxiv.1908.02279 · pith_short_12: Y4ONISI6JPJT · pith_short_16: Y4ONISI6JPJTRFSA · pith_short_8: Y4ONISI6

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/Y4ONISI6JPJTRFSANDK7G5KUX3 \
  | 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: c71cd4491e4bd338964068d5f37554bef5ef4fed98eef85bd634c64ded814277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee66541ccd26b22dbf6a111007f2ae2eca2abe3079ad8248015fd5594dfb1dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-04T12:43:00Z",
    "title_canon_sha256": "518d0f315ec4a4766ff572244d35223353e9fab2546cbd334b8fddf372c466d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02279",
    "kind": "arxiv",
    "version": 3
  }
}