Pith Number

pith:ERE5RCVY

pith:2016:ERE5RCVYTCNJC4AFX65IVJHQ46

not attested not anchored not stored refs pending

Hyperk\"ahler fourfolds and Kummer surfaces

Atanas Iliev, Grzegorz Kapustka, Kristian Ranestad, Micha{\l} Kapustka

arxiv:1603.00403 v2 · 2016-03-01 · 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{ERE5RCVYTCNJC4AFX65IVJHQ46}

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	2026-05-18T00:38:11.599496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2449d88ab8989a917005bfba8aa4f0e7a5557e40424770e7881dc76e219725f6

Aliases

arxiv: 1603.00403 · arxiv_version: 1603.00403v2 · doi: 10.48550/arxiv.1603.00403 · pith_short_12: ERE5RCVYTCNJ · pith_short_16: ERE5RCVYTCNJC4AF · pith_short_8: ERE5RCVY

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/ERE5RCVYTCNJC4AFX65IVJHQ46 \
  | 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: 2449d88ab8989a917005bfba8aa4f0e7a5557e40424770e7881dc76e219725f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa17741b340a93e07971bcce12def0faeb1409e999002caeeeaf5338575b9bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-03-01T18:56:42Z",
    "title_canon_sha256": "d3e327f60129bb1b3aaefd58f3ffb82386169f34fef66833195420c4ddef105e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00403",
    "kind": "arxiv",
    "version": 2
  }
}