Pith Number

pith:MKBFWJRA

pith:2013:MKBFWJRAQ2NIXT7CZ6TPJG67SL

not attested not anchored not stored refs pending

On trivialities of Chern classes

Ajay Singh Thakur, Aniruddha C. Naolekar

arxiv:1307.8370 v1 · 2013-07-31 · 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{MKBFWJRAQ2NIXT7CZ6TPJG67SL}

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	2026-05-18T01:34:42.413301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62825b2620869a8bcfe2cfa6f49bdf92d07e27da969cb79d6ab131f426dc3dc3

Aliases

arxiv: 1307.8370 · arxiv_version: 1307.8370v1 · doi: 10.48550/arxiv.1307.8370 · pith_short_12: MKBFWJRAQ2NI · pith_short_16: MKBFWJRAQ2NIXT7C · pith_short_8: MKBFWJRA

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/MKBFWJRAQ2NIXT7CZ6TPJG67SL \
  | 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: 62825b2620869a8bcfe2cfa6f49bdf92d07e27da969cb79d6ab131f426dc3dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c01aa524025d5d5bb5224ee87c9f189964c908238a12d35a26dfa8f232f2bfc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-07-31T16:08:44Z",
    "title_canon_sha256": "292c8e9920fd07e8a42e692f09bcf35255cf80a1751529172fe8f994dd0694ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8370",
    "kind": "arxiv",
    "version": 1
  }
}