Pith Number

pith:QG7YPKNP

pith:2016:QG7YPKNP7BZUEX5KRAH2YDLWW5

not attested not anchored not stored refs pending

Mod 3 Chern classes and generators

Masaki Kameko

arxiv:1605.04590 v1 · 2016-05-15 · 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{QG7YPKNP7BZUEX5KRAH2YDLWW5}

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	2026-05-18T00:36:09.814359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81bf87a9aff873425faa880fac0d76b76ed3fb08d703ab106cef6c36e1e8766c

Aliases

arxiv: 1605.04590 · arxiv_version: 1605.04590v1 · doi: 10.48550/arxiv.1605.04590 · pith_short_12: QG7YPKNP7BZU · pith_short_16: QG7YPKNP7BZUEX5K · pith_short_8: QG7YPKNP

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/QG7YPKNP7BZUEX5KRAH2YDLWW5 \
  | 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: 81bf87a9aff873425faa880fac0d76b76ed3fb08d703ab106cef6c36e1e8766c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a25ac2d99270bfc80a07db1a310ad0de834164e9271e2563a9786379c94fc50f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-05-15T18:23:24Z",
    "title_canon_sha256": "1a15ea66a425e173edfa40faec451fbe5828b978d145511b9cab07992ad6d6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04590",
    "kind": "arxiv",
    "version": 1
  }
}