Pith Number

pith:DA5PNW5L

pith:2013:DA5PNW5LFJWCNBG3CM5GRKBICS

not attested not anchored not stored refs pending

Covering dimension using toric varieties

Roman Karasev

arxiv:1307.3437 v1 · 2013-07-12 · math.MG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA5PNW5LFJWCNBG3CM5GRKBICS}

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	2026-05-18T02:43:54.328801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183af6dbab2a6c2684db133a68a82814b58c6a4f351cfe4d3e4a179e5c43932e

Aliases

arxiv: 1307.3437 · arxiv_version: 1307.3437v1 · doi: 10.48550/arxiv.1307.3437 · pith_short_12: DA5PNW5LFJWC · pith_short_16: DA5PNW5LFJWCNBG3 · pith_short_8: DA5PNW5L

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/DA5PNW5LFJWCNBG3CM5GRKBICS \
  | 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: 183af6dbab2a6c2684db133a68a82814b58c6a4f351cfe4d3e4a179e5c43932e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b8b83cf3d28ddb9dfd672c41a33c40c41df2b457872042b7caf406f5f469fb",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-07-12T12:34:21Z",
    "title_canon_sha256": "447f5ad9615c29b65b615fba7aaf48325796cb7bc4d2c39bf0ffffb1c44a3469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3437",
    "kind": "arxiv",
    "version": 1
  }
}