Pith Number

pith:MZ7XCOWS

pith:2018:MZ7XCOWSAARQVAHN62KKAZIFNP

not attested not anchored not stored refs pending

Two Examples of Toric Arrangements

Roberto Pagaria

arxiv:1804.05767 v3 · 2018-04-16 · math.CO · 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{MZ7XCOWSAARQVAHN62KKAZIFNP}

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	2026-05-17T23:43:09.507681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

667f713ad200230a80edf694a065056bee43c9bb6e1f466946098bc986d52f7f

Aliases

arxiv: 1804.05767 · arxiv_version: 1804.05767v3 · doi: 10.48550/arxiv.1804.05767 · pith_short_12: MZ7XCOWSAARQ · pith_short_16: MZ7XCOWSAARQVAHN · pith_short_8: MZ7XCOWS

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/MZ7XCOWSAARQVAHN62KKAZIFNP \
  | 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: 667f713ad200230a80edf694a065056bee43c9bb6e1f466946098bc986d52f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfe2bd0d2f12ee75371e65b874d26fc9dcc7003965767402346889670da6dc66",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-16T16:13:43Z",
    "title_canon_sha256": "7c53c94b7ee360d92c10989e6dcc9d6c4e3d3c9c34adea42c1b9595584aa5439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05767",
    "kind": "arxiv",
    "version": 3
  }
}