Pith Number

pith:26JT3R4K

pith:2015:26JT3R4KOMWKSPS44LPFU7XQUN

not attested not anchored not stored refs pending

Motivic and derived motivic Hirzebruch classes

Jean-Paul Brasselet, Joerg Schuermann, Shoji Yokura

arxiv:1512.05880 v3 · 2015-12-18 · math.AG · 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{26JT3R4KOMWKSPS44LPFU7XQUN}

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	2026-05-18T00:35:09.557570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7933dc78a732ca93e5ce2de5a7ef0a36ee68a278dd7538f2bc1b0b0aba74a81

Aliases

arxiv: 1512.05880 · arxiv_version: 1512.05880v3 · doi: 10.48550/arxiv.1512.05880 · pith_short_12: 26JT3R4KOMWK · pith_short_16: 26JT3R4KOMWKSPS4 · pith_short_8: 26JT3R4K

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/26JT3R4KOMWKSPS44LPFU7XQUN \
  | 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: d7933dc78a732ca93e5ce2de5a7ef0a36ee68a278dd7538f2bc1b0b0aba74a81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73d6b11c25fcfd65860837c9c153467225a75f26c63f0213947dc681ac6fff6",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-18T09:26:32Z",
    "title_canon_sha256": "023c9a99e191e8b51391dfa6bd44701f10080a7fc619eee8c98283ee5b04fc59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05880",
    "kind": "arxiv",
    "version": 3
  }
}