Pith Number

pith:S5SPJZVG

pith:2019:S5SPJZVGGP2VPPETM6SNX6KGZY

not attested not anchored not stored refs pending

On $A_1^2$ restrictions of Weyl arrangements

Hiroaki Terao, Takuro Abe, Tan Nhat Tran

arxiv:1910.05468 v2 · 2019-10-12 · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5SPJZVGGP2VPPETM6SNX6KGZY}

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	2026-07-05T01:37:22.980025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9764f4e6a633f557bc9367a4dbf946ce1d048f5712b60e2a67cdf50b7c82d9a4

Aliases

arxiv: 1910.05468 · arxiv_version: 1910.05468v2 · doi: 10.48550/arxiv.1910.05468 · pith_short_12: S5SPJZVGGP2V · pith_short_16: S5SPJZVGGP2VPPET · pith_short_8: S5SPJZVG

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/S5SPJZVGGP2VPPETM6SNX6KGZY \
  | 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: 9764f4e6a633f557bc9367a4dbf946ce1d048f5712b60e2a67cdf50b7c82d9a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08bcec388425e4b5202c60d313e479205ba88c4804f7f543cb25ca3f2f6a170b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-10-12T02:44:12Z",
    "title_canon_sha256": "8c4c5d591b28267e5b3f1345c4f4110dda1f84077525fa274993f5b3d6ca76e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05468",
    "kind": "arxiv",
    "version": 2
  }
}