Pith Number

pith:P3CKWYF3

pith:2017:P3CKWYF3BM7R5N2RHT6MAW57UP

not attested not anchored not stored refs pending

Independence of Iterated Whitehead Doubles

Juanita Pinz\'on-Caicedo

arxiv:1712.05426 v1 · 2017-12-14 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3CKWYF3BM7R5N2RHT6MAW57UP}

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	2026-05-18T00:27:56.515921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec4ab60bb0b3f1eb7513cfcc05bbfa3e24cc59d224866558380dbb83e0ac420

Aliases

arxiv: 1712.05426 · arxiv_version: 1712.05426v1 · doi: 10.48550/arxiv.1712.05426 · pith_short_12: P3CKWYF3BM7R · pith_short_16: P3CKWYF3BM7R5N2R · pith_short_8: P3CKWYF3

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/P3CKWYF3BM7R5N2RHT6MAW57UP \
  | 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: 7ec4ab60bb0b3f1eb7513cfcc05bbfa3e24cc59d224866558380dbb83e0ac420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fff14ec2e571637b885c31248fb91464a49c9fe1e944b08ba351b12b25b66f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-12-14T19:43:43Z",
    "title_canon_sha256": "02d00673c371c971c81624f69f40e996b109838e489e8fb163b743bef16f3630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05426",
    "kind": "arxiv",
    "version": 1
  }
}