Pith Number

pith:ICIW73MA

pith:2017:ICIW73MA6A726B7OIKISBKLYXP

not attested not anchored not stored refs pending

Congruences of 5-secant conics and the rationality of some admissible cubic fourfolds

Francesco Russo, Giovanni Staglian\`o

arxiv:1707.00999 v4 · 2017-07-04 · 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{ICIW73MA6A726B7OIKISBKLYXP}

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	2026-05-17T23:45:00.128938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40916fed80f03faf07ee429120a978bbe5ee3cbb687797b023e6b3b8dc7d41f6

Aliases

arxiv: 1707.00999 · arxiv_version: 1707.00999v4 · doi: 10.48550/arxiv.1707.00999 · pith_short_12: ICIW73MA6A72 · pith_short_16: ICIW73MA6A726B7O · pith_short_8: ICIW73MA

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/ICIW73MA6A726B7OIKISBKLYXP \
  | 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: 40916fed80f03faf07ee429120a978bbe5ee3cbb687797b023e6b3b8dc7d41f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583b6f505864586afa4fcbacf1bdd593c48d488b3b2ebfb70a9c491ea461bb63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-04T14:03:23Z",
    "title_canon_sha256": "bbaf6ac8526e9effb5a1f9325f9c690c2628e2adba7dc302ef20388614c3a366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00999",
    "kind": "arxiv",
    "version": 4
  }
}