Pith Number

pith:KXG2FGSJ

pith:2017:KXG2FGSJ3WTZXIV2UIHP4KEEBQ

not attested not anchored not stored refs pending

Special arrangements of lines: codimension two ACM varieties in $\mathbb P^1\times\mathbb P^1\times\mathbb P^1$

Beatrice Picone, Elena Guardo, Giuseppe Favacchio

arxiv:1707.06863 v2 · 2017-07-21 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KXG2FGSJ3WTZXIV2UIHP4KEEBQ}

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	2026-05-18T00:25:07.625755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55cda29a49dda79ba2baa20efe28840c2a34d3efc237ac872e2dbfe066adf676

Aliases

arxiv: 1707.06863 · arxiv_version: 1707.06863v2 · doi: 10.48550/arxiv.1707.06863 · pith_short_12: KXG2FGSJ3WTZ · pith_short_16: KXG2FGSJ3WTZXIV2 · pith_short_8: KXG2FGSJ

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/KXG2FGSJ3WTZXIV2UIHP4KEEBQ \
  | 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: 55cda29a49dda79ba2baa20efe28840c2a34d3efc237ac872e2dbfe066adf676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82631f05e26548691761d59d377e9216c17a63b413be934e4c8522de01c35da0",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-21T12:13:29Z",
    "title_canon_sha256": "310896bda3e579a98015e0bb228dc883af887cb5e37e72fabd5186e2270e4988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06863",
    "kind": "arxiv",
    "version": 2
  }
}