Pith Number

pith:OSYX5CGH

pith:2018:OSYX5CGHWDKWSYR3GFTEZT2GI7

not attested not anchored not stored refs pending

Intersection of quadrics in ${\mathbb{C}}^n$, moment-angle manifolds, complex manifolds and convex polytopes

Alberto Verjovsky

arxiv:1807.00838 v1 · 2018-07-02 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSYX5CGHWDKWSYR3GFTEZT2GI7}

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	2026-05-18T00:11:46.308026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b17e88c7b0d569623b31664ccf4647cf08c6fbcf1d23cdb4f38fa24c423ffb

Aliases

arxiv: 1807.00838 · arxiv_version: 1807.00838v1 · doi: 10.48550/arxiv.1807.00838 · pith_short_12: OSYX5CGHWDKW · pith_short_16: OSYX5CGHWDKWSYR3 · pith_short_8: OSYX5CGH

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/OSYX5CGHWDKWSYR3GFTEZT2GI7 \
  | 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: 74b17e88c7b0d569623b31664ccf4647cf08c6fbcf1d23cdb4f38fa24c423ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3781df62910504cb0018f97dcfc2fb7d20d83d8c9981bee16517dc741a56d8e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-07-02T18:01:33Z",
    "title_canon_sha256": "5cadb62ef0a2011ba0c940c53d991aa40a61e7e6a1e73b96edc4d4d7feef183e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00838",
    "kind": "arxiv",
    "version": 1
  }
}