Pith Number

pith:7T2Y2MVN

pith:2018:7T2Y2MVNK5WWNTNTKRUCKCNLOT

not attested not anchored not stored refs pending

On the motive of Kapustka-Rampazzo's Calabi-Yau threefolds

Robert Laterveer

arxiv:1808.08338 v1 · 2018-08-25 · 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{7T2Y2MVNK5WWNTNTKRUCKCNLOT}

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	2026-05-18T00:07:19.292600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcf58d32ad576d66cdb354682509ab74d1b20802ebe8abfd50bf285455fdbff5

Aliases

arxiv: 1808.08338 · arxiv_version: 1808.08338v1 · doi: 10.48550/arxiv.1808.08338 · pith_short_12: 7T2Y2MVNK5WW · pith_short_16: 7T2Y2MVNK5WWNTNT · pith_short_8: 7T2Y2MVN

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/7T2Y2MVNK5WWNTNTKRUCKCNLOT \
  | 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: fcf58d32ad576d66cdb354682509ab74d1b20802ebe8abfd50bf285455fdbff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3c4b652efc4113a09f0fe97ced6a003bd6b227917567aea8de26bb2d7f8be2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-08-25T01:04:47Z",
    "title_canon_sha256": "83fccd4ea0a960352d7a6f1887e4331871e5b410304b9cbc545c96b1f946964f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08338",
    "kind": "arxiv",
    "version": 1
  }
}