Pith Number

pith:FSYVPKED

pith:2026:FSYVPKEDOZZH4ZN53ZUHAGJLJB

not attested not anchored not stored refs pending

Fence Complexes and Toric Degenerations of Positroid Varieties

Cameron Chang, Josephine Hlavinka, Pranav Enugandla

arxiv:2606.12815 v1 · 2026-06-11 · math.AG · 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{FSYVPKEDOZZH4ZN53ZUHAGJLJB}

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	2026-06-12T01:08:52.405195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb157a88376727e65bdde6870192b48609622c8c103f93b200b3b27121f3dfc

Aliases

arxiv: 2606.12815 · arxiv_version: 2606.12815v1 · doi: 10.48550/arxiv.2606.12815 · pith_short_12: FSYVPKEDOZZH · pith_short_16: FSYVPKEDOZZH4ZN5 · pith_short_8: FSYVPKED

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/FSYVPKEDOZZH4ZN53ZUHAGJLJB \
  | 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: 2cb157a88376727e65bdde6870192b48609622c8c103f93b200b3b27121f3dfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951081fe4457a2b1841151416f522e8285c8e1c05c87c18bf41b747bd318e842",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-11T02:19:45Z",
    "title_canon_sha256": "3a2d092803dd553bf91a9491ba37fd25fd55a3ed34327ef42109286a7a938baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12815",
    "kind": "arxiv",
    "version": 1
  }
}