Pith Number

pith:ZGZ57ZH7

pith:2017:ZGZ57ZH7FBSJJ4Y2AR7WHN4ASW

not attested not anchored not stored refs pending

Calabi--Yau Operators

Duco van Straten

arxiv:1704.00164 v1 · 2017-04-01 · 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{ZGZ57ZH7FBSJJ4Y2AR7WHN4ASW}

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	2026-05-18T00:47:25.247173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b3dfe4ff286494f31a047f63b780958676b7349b51717cef3644fdddf7af72

Aliases

arxiv: 1704.00164 · arxiv_version: 1704.00164v1 · doi: 10.48550/arxiv.1704.00164 · pith_short_12: ZGZ57ZH7FBSJ · pith_short_16: ZGZ57ZH7FBSJJ4Y2 · pith_short_8: ZGZ57ZH7

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/ZGZ57ZH7FBSJJ4Y2AR7WHN4ASW \
  | 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: c9b3dfe4ff286494f31a047f63b780958676b7349b51717cef3644fdddf7af72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8173f2daf697a811dae697bd810ddd0889face75be8ced3b48c4f91a29baace7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-01T12:48:57Z",
    "title_canon_sha256": "a1cff4fec8d3190d12c927be8d1abb651c14121968ea4c7ae4052ec39099664f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00164",
    "kind": "arxiv",
    "version": 1
  }
}