Pith Number

pith:Y63IJSI5

pith:2016:Y63IJSI5LEB76ZOY45TMEX2BRQ

not attested not anchored not stored refs pending

A family of K3 surfaces having finite-dimensional motive

Robert Laterveer

arxiv:1602.04947 v1 · 2016-02-16 · 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{Y63IJSI5LEB76ZOY45TMEX2BRQ}

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	2026-05-18T01:20:37.787074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b684c91d5903ff65d8e766c25f418c12e9edb65534df6b8ec42f0b8387b34b

Aliases

arxiv: 1602.04947 · arxiv_version: 1602.04947v1 · doi: 10.48550/arxiv.1602.04947 · pith_short_12: Y63IJSI5LEB7 · pith_short_16: Y63IJSI5LEB76ZOY · pith_short_8: Y63IJSI5

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/Y63IJSI5LEB76ZOY45TMEX2BRQ \
  | 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: c7b684c91d5903ff65d8e766c25f418c12e9edb65534df6b8ec42f0b8387b34b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b97ddaffbd3111ffc1dc6e5146ce32f7ada9ed33c573f3732db9f2ac328d07b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-02-16T08:54:43Z",
    "title_canon_sha256": "97f49220ef1c3ee873ce8ea990b61e8ec7809bfdcb150119526c03126221c896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04947",
    "kind": "arxiv",
    "version": 1
  }
}