Pith Number

pith:OMPOQDDC

pith:2017:OMPOQDDCP3E4K32PG4HWFH6LLO

not attested not anchored not stored refs pending

Maximal rank of space curves in the range A

Claudio Fontanari, Edoardo Ballico, Philippe Ellia

arxiv:1705.10113 v2 · 2017-05-29 · 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{OMPOQDDCP3E4K32PG4HWFH6LLO}

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	2026-05-18T00:22:59.313581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731ee80c627ec9c56f4f370f629fcb5b8345571971330845728fab4ad07eabdb

Aliases

arxiv: 1705.10113 · arxiv_version: 1705.10113v2 · doi: 10.48550/arxiv.1705.10113 · pith_short_12: OMPOQDDCP3E4 · pith_short_16: OMPOQDDCP3E4K32P · pith_short_8: OMPOQDDC

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/OMPOQDDCP3E4K32PG4HWFH6LLO \
  | 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: 731ee80c627ec9c56f4f370f629fcb5b8345571971330845728fab4ad07eabdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a179d2d732d389f76897638a534b8af20d172adf76b9f00531c2d8027eaeb263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-29T10:51:45Z",
    "title_canon_sha256": "2ba8985f768eb5ad9d01365c690db82412489346a4baaf290761580d9c71caa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10113",
    "kind": "arxiv",
    "version": 2
  }
}