Pith Number

pith:WQWC4NHS

pith:2018:WQWC4NHSM6SOW6N3OWIHDCQMEC

not attested not anchored not stored refs pending

On two types of $Z$-monodromy in triangulations of surfaces

Adam Tyc, Mark Pankov

arxiv:1801.06585 v5 · 2018-01-19 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQWC4NHSM6SOW6N3OWIHDCQMEC}

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	2026-05-18T00:01:38.750173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42c2e34f267a4eb79bb7590718a0c20b2a3323034bbe88e3eb7990f66a2e54b

Aliases

arxiv: 1801.06585 · arxiv_version: 1801.06585v5 · doi: 10.48550/arxiv.1801.06585 · pith_short_12: WQWC4NHSM6SO · pith_short_16: WQWC4NHSM6SOW6N3 · pith_short_8: WQWC4NHS

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/WQWC4NHSM6SOW6N3OWIHDCQMEC \
  | 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: b42c2e34f267a4eb79bb7590718a0c20b2a3323034bbe88e3eb7990f66a2e54b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8fbdc0e0a10303f99143dc985f4d40a919682e7129aa28e1b75fa3e6b4e431f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-01-19T21:53:20Z",
    "title_canon_sha256": "83e08befb3d9da75e76a439a770f802a046bcef52a0ccd05cdb82632a1470596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06585",
    "kind": "arxiv",
    "version": 5
  }
}