Pith Number

pith:OKFGMULY

pith:2016:OKFGMULYCMLBVFVGB3JKZPNSJC

not attested not anchored not stored refs pending

Relations in the tautological ring of the moduli space of K3 surfaces

Qizheng Yin, Rahul Pandharipande

arxiv:1607.08758 v1 · 2016-07-29 · 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{OKFGMULYCMLBVFVGB3JKZPNSJC}

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	2026-05-18T01:10:15.966948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728a66517813161a96a60ed2acbdb2488b7de30a3aba4cd9b019c1ab91f9ad4a

Aliases

arxiv: 1607.08758 · arxiv_version: 1607.08758v1 · doi: 10.48550/arxiv.1607.08758 · pith_short_12: OKFGMULYCMLB · pith_short_16: OKFGMULYCMLBVFVG · pith_short_8: OKFGMULY

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/OKFGMULYCMLBVFVGB3JKZPNSJC \
  | 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: 728a66517813161a96a60ed2acbdb2488b7de30a3aba4cd9b019c1ab91f9ad4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6acf409209282f17cb16e1241193e8b7e59c7a4c5ed562c624ea14086b08b554",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-29T10:25:30Z",
    "title_canon_sha256": "905955d2c0fa4e3418c5f5b4b8bf8d0848671fbccd26fe4a7085fc7dea668694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08758",
    "kind": "arxiv",
    "version": 1
  }
}