Pith Number

pith:XRZKFLSX

pith:2025:XRZKFLSXWYO4HMEDZNKXJNIMPC

not attested not anchored not stored refs pending

What is Positive Geometry?

Bernd Sturmfels, Kristian Ranestad, Simon Telen

arxiv:2502.12815 v2 · 2025-02-18 · math.AG · hep-th · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRZKFLSXWYO4HMEDZNKXJNIMPC}

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.

Cited by

1 paper in Pith

Copositive Matrices with Ordered Off-Diagonal Entries

Receipt and verification

First computed	2026-07-05T11:12:27.415042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc72a2ae57b61dc3b083cb5574b50c78afa2c029bbffda2f91a0e74f9b12f7e0

Aliases

arxiv: 2502.12815 · arxiv_version: 2502.12815v2 · doi: 10.48550/arxiv.2502.12815 · pith_short_12: XRZKFLSXWYO4 · pith_short_16: XRZKFLSXWYO4HMED · pith_short_8: XRZKFLSX

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/XRZKFLSXWYO4HMEDZNKXJNIMPC \
  | 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: bc72a2ae57b61dc3b083cb5574b50c78afa2c029bbffda2f91a0e74f9b12f7e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6de5bcae9991612bf1b81b153e4b37f8f82978ace8c3bf823a71c76a98b7244",
    "cross_cats_sorted": [
      "hep-th",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-18T12:21:36Z",
    "title_canon_sha256": "45fca47d78f4c84e2cd0ef561a0eefe5c4fffd371409bcca3ad275837e0429d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12815",
    "kind": "arxiv",
    "version": 2
  }
}