Pith Number

pith:4IPYCA36

pith:2016:4IPYCA36ZDPT4AEMDOPP5VR6LZ

not attested not anchored not stored refs pending

On estimates of moduli of families of surfaces

Evgeny Sevost'yanov

arxiv:1602.02395 v2 · 2016-02-07 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IPYCA36ZDPT4AEMDOPP5VR6LZ}

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	2026-05-18T01:03:59.528003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21f81037ec8df3e008c1b9efed63e5e48be377d80bdfbe163bdb6a75646676a

Aliases

arxiv: 1602.02395 · arxiv_version: 1602.02395v2 · doi: 10.48550/arxiv.1602.02395 · pith_short_12: 4IPYCA36ZDPT · pith_short_16: 4IPYCA36ZDPT4AEM · pith_short_8: 4IPYCA36

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/4IPYCA36ZDPT4AEMDOPP5VR6LZ \
  | 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: e21f81037ec8df3e008c1b9efed63e5e48be377d80bdfbe163bdb6a75646676a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e42553713371f9b1e3c0c05429c8fb911945def150cf96c92c9b5684d57b07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-02-07T17:45:27Z",
    "title_canon_sha256": "33cc06157fd409890c66dc30f3053c6ede578c07e4d3598b7eaf151ad8a64ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02395",
    "kind": "arxiv",
    "version": 2
  }
}