Pith Number

pith:KIPWTM44

pith:2008:KIPWTM44DPYTZYOKSPZ23A45ZH

not attested not anchored not stored refs pending

On hereditarily indecomposable compacta and factorization of maps

Elzbieta Pol, Klaas Pieter Hart

arxiv:0805.2265 v2 · 2008-05-15 · math.GN · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIPWTM44DPYTZYOKSPZ23A45ZH}

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	2026-05-18T03:02:21.685169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

521f69b39c1bf13ce1ca93f3ad839dc9fcba96a9805340384a072b9f42151732

Aliases

arxiv: 0805.2265 · arxiv_version: 0805.2265v2 · doi: 10.48550/arxiv.0805.2265 · pith_short_12: KIPWTM44DPYT · pith_short_16: KIPWTM44DPYTZYOK · pith_short_8: KIPWTM44

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/KIPWTM44DPYTZYOKSPZ23A45ZH \
  | 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: 521f69b39c1bf13ce1ca93f3ad839dc9fcba96a9805340384a072b9f42151732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da378360e80f7781c1c2256a8c96fc0376a693beb68730c7c4213669af1de763",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2008-05-15T11:33:00Z",
    "title_canon_sha256": "6029e05dbf779ff49f89a49516d302c82b77d51d3e80d22f1dbcbd9d5a7b1f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2265",
    "kind": "arxiv",
    "version": 2
  }
}