Pith Number

pith:M6KJDBVP

pith:2021:M6KJDBVP3HYLMVCS4A4T3DL274

not attested not anchored not stored refs pending

Derived isogenies and isogenies for abelian surfaces

Haitao Zou, Zhiyuan Li

arxiv:2108.08710 v4 · 2021-08-19 · 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{M6KJDBVP3HYLMVCS4A4T3DL274}

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	2026-05-27T14:06:32.306707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67949186afd9f0b65452e0393d8d7aff17a4d67fbbd759cce7a6719cc3db188f

Aliases

arxiv: 2108.08710 · arxiv_version: 2108.08710v4 · doi: 10.48550/arxiv.2108.08710 · pith_short_12: M6KJDBVP3HYL · pith_short_16: M6KJDBVP3HYLMVCS · pith_short_8: M6KJDBVP

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/M6KJDBVP3HYLMVCS4A4T3DL274 \
  | 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: 67949186afd9f0b65452e0393d8d7aff17a4d67fbbd759cce7a6719cc3db188f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be28e7618c5787e2af39b27896bed42df85d233af2448a707febd59fdfafadde",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2021-08-19T14:20:40Z",
    "title_canon_sha256": "b99314290f84c3610892993df8affafa828bcd60b3e930629e7dc6867fd67074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08710",
    "kind": "arxiv",
    "version": 4
  }
}