Pith. sign in
Pith Number

pith:GU5GVDRU

pith:2013:GU5GVDRUM43X6RD72I5QIT2PIN
not attested not anchored not stored refs pending

Basic nets in the projective plane

S. Yu. Orevkov

arxiv:1307.7377 v3 · 2013-07-28 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GU5GVDRUM43X6RD72I5QIT2PIN}

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 2026-07-05T09:43:20.368690Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

353a6a8e3467377f447fd23b044f4f4348f5d4ed5406364182cd740dc91f877f

Aliases

arxiv: 1307.7377 · arxiv_version: 1307.7377v3 · doi: 10.48550/arxiv.1307.7377 · pith_short_12: GU5GVDRUM43X · pith_short_16: GU5GVDRUM43X6RD7 · pith_short_8: GU5GVDRU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GU5GVDRUM43X6RD72I5QIT2PIN \
  | 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: 353a6a8e3467377f447fd23b044f4f4348f5d4ed5406364182cd740dc91f877f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2120f75166cbf33fd4433bcb8b5b1eba11b1d0f2c49ef83492bc2654fc1dbd94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-28T16:09:22Z",
    "title_canon_sha256": "d70f397c6f1d8909b6adaab93663a3893c30a927219f671eb2e27b7e4e06bb9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7377",
    "kind": "arxiv",
    "version": 3
  }
}