pith. sign in
Pith Number

pith:CF5HFRQI

pith:2013:CF5HFRQI54VGVM6HKHGWBNRNKS
not attested not anchored not stored refs pending

Natural generalized invertibility and prescribed idempotents

Gabriel Kantun-Montiel

arxiv:1302.1480 v1 · 2013-02-05 · math.RA · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CF5HFRQI54VGVM6HKHGWBNRNKS}

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 2026-05-18T03:34:24.147356Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

117a72c608ef2a6ab3c751cd60b62d54986e6b0050e6633c054970137b645e53

Aliases

arxiv: 1302.1480 · arxiv_version: 1302.1480v1 · doi: 10.48550/arxiv.1302.1480 · pith_short_12: CF5HFRQI54VG · pith_short_16: CF5HFRQI54VGVM6H · pith_short_8: CF5HFRQI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CF5HFRQI54VGVM6HKHGWBNRNKS \
  | 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: 117a72c608ef2a6ab3c751cd60b62d54986e6b0050e6633c054970137b645e53
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "16c859def6021ddb41ad2b099ff17d703138ee084cf3f16ea9ef9102665da55d",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-02-05T06:26:56Z",
    "title_canon_sha256": "2a5da26953120a07911d4896b911452aa8c222c51d5d2144719a72034bf12332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1480",
    "kind": "arxiv",
    "version": 1
  }
}