Pith Number

pith:OAU5RBEX

pith:2019:OAU5RBEXLUFLQBTABNMH47FPE2

not attested not anchored not stored refs pending

Higher Connectivity of Tropicalizations

Diane Maclagan, Josephine Yu

arxiv:1908.05988 v2 · 2019-08-16 · 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{OAU5RBEXLUFLQBTABNMH47FPE2}

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	2026-07-05T03:16:28.713339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7029d884975d0ab806600b587e7caf26b2dd87d1c0841a76e55412cce687ba06

Aliases

arxiv: 1908.05988 · arxiv_version: 1908.05988v2 · doi: 10.48550/arxiv.1908.05988 · pith_short_12: OAU5RBEXLUFL · pith_short_16: OAU5RBEXLUFLQBTA · pith_short_8: OAU5RBEX

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/OAU5RBEXLUFLQBTABNMH47FPE2 \
  | 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: 7029d884975d0ab806600b587e7caf26b2dd87d1c0841a76e55412cce687ba06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577a7cd899c2e39dfc0d8d701b3d7a97046a1a6256083e06cd9aa31026304b6c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-16T14:27:43Z",
    "title_canon_sha256": "46c2c410f4bfdd52a287e47ee529f05281dd26efadf3156bddba6b964f33d82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05988",
    "kind": "arxiv",
    "version": 2
  }
}