Pith Number

pith:SX3UUZGI

pith:2015:SX3UUZGI4JUJZQLVNP5EZBJ4C2

not attested not anchored not stored refs pending

Totally nonnegative Grassmannian and Grassmann polytopes

Thomas Lam

arxiv:1506.00603 v1 · 2015-06-01 · math.CO · hep-th · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SX3UUZGI4JUJZQLVNP5EZBJ4C2}

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	2026-05-18T01:59:54.152727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95f74a64c8e2689cc1756bfa4c853c16b946b91fe995a0ecaee8fd053fff26b4

Aliases

arxiv: 1506.00603 · arxiv_version: 1506.00603v1 · doi: 10.48550/arxiv.1506.00603 · pith_short_12: SX3UUZGI4JUJ · pith_short_16: SX3UUZGI4JUJZQLV · pith_short_8: SX3UUZGI

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/SX3UUZGI4JUJZQLVNP5EZBJ4C2 \
  | 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: 95f74a64c8e2689cc1756bfa4c853c16b946b91fe995a0ecaee8fd053fff26b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e2ab97473656c0c7b2b1a18571b2b7a1060b0e09344eb328973b50b560011ad",
    "cross_cats_sorted": [
      "hep-th",
      "math.AG",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-06-01T18:47:44Z",
    "title_canon_sha256": "78451d6bd3fabfbe0c0da2f71b354efb10b560fafcea0352fd65d9b6860e5906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00603",
    "kind": "arxiv",
    "version": 1
  }
}