Pith Number

pith:IDCKFKUZ

pith:2012:IDCKFKUZ3OJQXHBYWD7B263Z7T

not attested not anchored not stored refs pending

A finite dimensional approach to the strong Novikov conjecture

Daniel Ramras, Guoliang Yu, Rufus Willett

arxiv:1203.6168 v4 · 2012-03-28 · math.KT · math.AT · math.GR · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDCKFKUZ3OJQXHBYWD7B263Z7T}

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	2026-05-18T02:41:43.268511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c4a2aa99db930b9c38b0fe1d7b79fcf4f945b95ccc96fce553b8453588aa44

Aliases

arxiv: 1203.6168 · arxiv_version: 1203.6168v4 · doi: 10.48550/arxiv.1203.6168 · pith_short_12: IDCKFKUZ3OJQ · pith_short_16: IDCKFKUZ3OJQXHBY · pith_short_8: IDCKFKUZ

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/IDCKFKUZ3OJQXHBYWD7B263Z7T \
  | 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: 40c4a2aa99db930b9c38b0fe1d7b79fcf4f945b95ccc96fce553b8453588aa44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee9ebb192f648437c91a8f8d0e689e9fd3c49fcee1c2a26d90066ea0382fbd6a",
    "cross_cats_sorted": [
      "math.AT",
      "math.GR",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2012-03-28T05:44:20Z",
    "title_canon_sha256": "b9ab7bd00b0ee1ce877b2b716f2d5e7484850372e9a6b6dce34ebc84333a22c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6168",
    "kind": "arxiv",
    "version": 4
  }
}