Pith Number

pith:B3S7OBHN

pith:2010:B3S7OBHNM3ZGXOQQYRT3V2B6EV

not attested not anchored not stored refs pending

Localization of Basic Characteristic Classes

Dirk Toeben

arxiv:1011.4826 v2 · 2010-11-22 · math.DG · 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{B3S7OBHNM3ZGXOQQYRT3V2B6EV}

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	2026-05-18T04:31:23.175268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee5f704ed66f26bba10c467bae83e2578987e8c66c6d961ca09d8f284da135e

Aliases

arxiv: 1011.4826 · arxiv_version: 1011.4826v2 · doi: 10.48550/arxiv.1011.4826 · pith_short_12: B3S7OBHNM3ZG · pith_short_16: B3S7OBHNM3ZGXOQQ · pith_short_8: B3S7OBHN

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/B3S7OBHNM3ZGXOQQYRT3V2B6EV \
  | 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: 0ee5f704ed66f26bba10c467bae83e2578987e8c66c6d961ca09d8f284da135e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3b220c2618bc1e0ebcaabf666f351caefa11e3697ea0ef5708c500a8d90b94",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-11-22T14:45:30Z",
    "title_canon_sha256": "d0f4a6c13c6109c5b70a8a049dc5c625fd29d0d9c12a92ffed482bf9d0624a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4826",
    "kind": "arxiv",
    "version": 2
  }
}