Pith Number

pith:WB3W2HEG

pith:2017:WB3W2HEGICXLNGXG4URR4GDW3F

not attested not anchored not stored refs pending

Note on Applications of Toric Systems on Surfaces

Shizhuo Zhang

arxiv:1710.05274 v2 · 2017-10-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB3W2HEGICXLNGXG4URR4GDW3F}

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	2026-05-18T00:29:36.619332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0776d1c8640aeb69ae6e5231e1876d94efdcfe4e9e44b6e5b3cd234995d5d42

Aliases

arxiv: 1710.05274 · arxiv_version: 1710.05274v2 · doi: 10.48550/arxiv.1710.05274 · pith_short_12: WB3W2HEGICXL · pith_short_16: WB3W2HEGICXLNGXG · pith_short_8: WB3W2HEG

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/WB3W2HEGICXLNGXG4URR4GDW3F \
  | 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: b0776d1c8640aeb69ae6e5231e1876d94efdcfe4e9e44b6e5b3cd234995d5d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a940b87510c9e0deb371841b618fabdb07bd2ff1b9f1bb07f08342cb37a607e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-15T05:14:52Z",
    "title_canon_sha256": "da5f994b58da8a1c3653f6f6c589e670ad7ee9550b78178ef8143cbcb475c947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05274",
    "kind": "arxiv",
    "version": 2
  }
}