Pith Number

pith:7WDH2YC2

pith:2014:7WDH2YC27TBLDYEF6VQNQA6G5Y

not attested not anchored not stored refs pending

Complex Cobordism of quasitoric orbifolds

Soumen Sarkar

arxiv:1406.1914 v3 · 2014-06-07 · 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{7WDH2YC27TBLDYEF6VQNQA6G5Y}

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	2026-05-18T01:21:41.940943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd867d605afcc2b1e085f560d803c6ee313dcce18ac5c886470d9eaa297997f0

Aliases

arxiv: 1406.1914 · arxiv_version: 1406.1914v3 · doi: 10.48550/arxiv.1406.1914 · pith_short_12: 7WDH2YC27TBL · pith_short_16: 7WDH2YC27TBLDYEF · pith_short_8: 7WDH2YC2

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/7WDH2YC27TBLDYEF6VQNQA6G5Y \
  | 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: fd867d605afcc2b1e085f560d803c6ee313dcce18ac5c886470d9eaa297997f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c0fb101e4f4364ad45a1637b0a34137a903e5e3770a8c85b3d920d5a728470",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-06-07T18:01:17Z",
    "title_canon_sha256": "4c9ef22290a965da6f6e707b102548c0dec14f143edae9e8707d3f87863e71c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1914",
    "kind": "arxiv",
    "version": 3
  }
}