Pith Number

pith:HH7H5BAM

pith:2013:HH7H5BAMRYLQJO4ZESS3ZAFNZD

not attested not anchored not stored refs pending

Automorphism groups of certain rational hypersurfaces in complex four-space

Adrien Dubouloz (IMB), Lucy Moser-Jauslin (IMB), Pierre-Marie Poloni

arxiv:1309.7363 v1 · 2013-09-27 · 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{HH7H5BAMRYLQJO4ZESS3ZAFNZD}

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	2026-05-18T03:11:58.952602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39fe7e840c8e1704bb9924a5bc80adc8f003a5d14eaba9261d97380e0b7ed3ad

Aliases

arxiv: 1309.7363 · arxiv_version: 1309.7363v1 · doi: 10.48550/arxiv.1309.7363 · pith_short_12: HH7H5BAMRYLQ · pith_short_16: HH7H5BAMRYLQJO4Z · pith_short_8: HH7H5BAM

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/HH7H5BAMRYLQJO4ZESS3ZAFNZD \
  | 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: 39fe7e840c8e1704bb9924a5bc80adc8f003a5d14eaba9261d97380e0b7ed3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fbb563fc9e863990d49941adfb4a3ee944de51c2b340de9553e7948f31f1305",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-27T20:25:25Z",
    "title_canon_sha256": "af8333a2f77a152bf6e13016a001cd3c2d803cc7cc79b93726bd73ee1bea992c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7363",
    "kind": "arxiv",
    "version": 1
  }
}