Pith Number

pith:OK5E6AAY

pith:2024:OK5E6AAYS4BDOLKAE2NEQMUVWE

not attested not anchored not stored refs pending

Pseudo-automorphisms of rational threefolds and Kummer surfaces

Zhuang He

arxiv:2401.07948 v1 · 2024-01-15 · 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{OK5E6AAYS4BDOLKAE2NEQMUVWE}

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	2026-07-05T07:34:05.185678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72ba4f00189702372d40269a483295b10497481744678da083334b80cc2704c0

Aliases

arxiv: 2401.07948 · arxiv_version: 2401.07948v1 · doi: 10.48550/arxiv.2401.07948 · pith_short_12: OK5E6AAYS4BD · pith_short_16: OK5E6AAYS4BDOLKA · pith_short_8: OK5E6AAY

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/OK5E6AAYS4BDOLKAE2NEQMUVWE \
  | 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: 72ba4f00189702372d40269a483295b10497481744678da083334b80cc2704c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e16935603682c48cb9cceec1d46ca61e057c26b66e231fca19d2b8ec873cbd57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-01-15T20:20:59Z",
    "title_canon_sha256": "6faed54d78dfb5f64e7fe110dd22e7b3ce7c33e7e9d7e2c7015d915d20db125a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.07948",
    "kind": "arxiv",
    "version": 1
  }
}