Pith Number

pith:WVUXX4GV

pith:2025:WVUXX4GVYXH6KRIFFCR2EXSVLC

not attested not anchored not stored refs pending

Realizations of homology classes and projection areas

Botong Wang, Daoji Huang, June Huh, Mateusz Micha{\l}ek, Shouda Wang

arxiv:2505.08881 v2 · 2025-05-13 · math.AG · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVUXX4GVYXH6KRIFFCR2EXSVLC}

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.

Cited by

1 paper in Pith

Copositive Matrices with Ordered Off-Diagonal Entries

Receipt and verification

First computed	2026-07-05T11:21:46.657328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5697bf0d5c5cfe5450528a3a25e5558b90d1ff79c1dbe247152b5aaf51f4e2e

Aliases

arxiv: 2505.08881 · arxiv_version: 2505.08881v2 · doi: 10.48550/arxiv.2505.08881 · pith_short_12: WVUXX4GVYXH6 · pith_short_16: WVUXX4GVYXH6KRIF · pith_short_8: WVUXX4GV

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/WVUXX4GVYXH6KRIFFCR2EXSVLC \
  | 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: b5697bf0d5c5cfe5450528a3a25e5558b90d1ff79c1dbe247152b5aaf51f4e2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf59ec08171a06a7894df57166340d067e80e825d22ab3db91061f88bca422ef",
    "cross_cats_sorted": [
      "math.CO",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-05-13T18:11:59Z",
    "title_canon_sha256": "3d88025151445657a768785df10922cd24ebd071e56c35731121c3eeb08228d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08881",
    "kind": "arxiv",
    "version": 2
  }
}