Pith Number

pith:VBFZ6S7J

pith:2024:VBFZ6S7JFGJGQCM3T45ZUROUT3

not attested not anchored not stored refs pending

Totally positive skew-symmetric matrices

Jonathan Boretsky, Veronica Calvo Cortes, Yassine El Maazouz

arxiv:2412.17233 v1 · 2024-12-23 · math.CO · 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{VBFZ6S7JFGJGQCM3T45ZUROUT3}

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	2026-07-05T09:53:19.179347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84b9f4be9299268099b9f3b9a45d49ef107dd87e4a37cadbf52676123404532

Aliases

arxiv: 2412.17233 · arxiv_version: 2412.17233v1 · doi: 10.48550/arxiv.2412.17233 · pith_short_12: VBFZ6S7JFGJG · pith_short_16: VBFZ6S7JFGJGQCM3 · pith_short_8: VBFZ6S7J

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/VBFZ6S7JFGJGQCM3T45ZUROUT3 \
  | 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: a84b9f4be9299268099b9f3b9a45d49ef107dd87e4a37cadbf52676123404532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a47931d07eccacea27e05a1d803086d89ab5bcf49483a175c459077e684cc1a9",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-12-23T03:09:41Z",
    "title_canon_sha256": "7a960da83a59e0be5898b9aa56b6cb69927da7f3c41ecd794bbbe64cb45679ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.17233",
    "kind": "arxiv",
    "version": 1
  }
}