Pith Number

pith:K46R3BLE

pith:2015:K46R3BLERBNXN2746L5MIOWAUH

not attested not anchored not stored refs pending

Twisted Geometric K-homology for Proper actions of discrete groups

Noe Barcenas

arxiv:1501.06050 v1 · 2015-01-24 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K46R3BLERBNXN2746L5MIOWAUH}

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	2026-05-18T02:28:46.993886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

573d1d8564885b76ebfcf2fac43ac0a1db33961eaaea98a70f9b1e6271c5f776

Aliases

arxiv: 1501.06050 · arxiv_version: 1501.06050v1 · doi: 10.48550/arxiv.1501.06050 · pith_short_12: K46R3BLERBNX · pith_short_16: K46R3BLERBNXN274 · pith_short_8: K46R3BLE

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/K46R3BLERBNXN2746L5MIOWAUH \
  | 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: 573d1d8564885b76ebfcf2fac43ac0a1db33961eaaea98a70f9b1e6271c5f776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583d268d34cade3ee96f4db0fe2892ff1b02c4d8e6e43bee48fd42c1d892716a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-01-24T15:15:36Z",
    "title_canon_sha256": "2ec2ec299eeeb63109fe84722d75d092a2bbf4c90dbe881bc7ea48760a59b351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06050",
    "kind": "arxiv",
    "version": 1
  }
}