Pith Number

pith:E3RZ2ZCM

pith:2013:E3RZ2ZCMJ7EIZCJFTBF22NS56L

not attested not anchored not stored refs pending

Equivariant, string and leading order characteristic classes associated to fibrations

Andres Larrain-Hubach, Fabian Torres-Ardila, Steven Rosenberg, Yoshiaki Maeda

arxiv:1309.2692 v4 · 2013-09-10 · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3RZ2ZCMJ7EIZCJFTBF22NS56L}

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	2026-05-18T01:36:04.192472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e39d644c4fc88c8925984bad365df2e21dc2a868561fdfb6d609bb8ab24473

Aliases

arxiv: 1309.2692 · arxiv_version: 1309.2692v4 · doi: 10.48550/arxiv.1309.2692 · pith_short_12: E3RZ2ZCMJ7EI · pith_short_16: E3RZ2ZCMJ7EIZCJF · pith_short_8: E3RZ2ZCM

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/E3RZ2ZCMJ7EIZCJFTBF22NS56L \
  | 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: 26e39d644c4fc88c8925984bad365df2e21dc2a868561fdfb6d609bb8ab24473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990c249b6024016e1d5ccac0fce81e189441dd32fd5041ce31b921ce5a4c35e9",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-10T23:41:58Z",
    "title_canon_sha256": "422ece24166a81bf06669ebb5ad7adac88aa1fd455298afdabba432c31d3faab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2692",
    "kind": "arxiv",
    "version": 4
  }
}