Pith Number

pith:OW67T34Y

pith:2018:OW67T34YWIVAMFGY2MTLD55IQF

not attested not anchored not stored refs pending

Profinite completions, cohomology and JSJ decompositions of compact 3-manifolds

Gareth Wilkes

arxiv:1802.09282 v1 · 2018-02-26 · 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{OW67T34YWIVAMFGY2MTLD55IQF}

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	2026-05-18T00:22:34.197096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bdf9ef98b22a0614d8d326b1f7a881461d3ead4580a2dced96fb1e6c3aca05

Aliases

arxiv: 1802.09282 · arxiv_version: 1802.09282v1 · doi: 10.48550/arxiv.1802.09282 · pith_short_12: OW67T34YWIVA · pith_short_16: OW67T34YWIVAMFGY · pith_short_8: OW67T34Y

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/OW67T34YWIVAMFGY2MTLD55IQF \
  | 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: 75bdf9ef98b22a0614d8d326b1f7a881461d3ead4580a2dced96fb1e6c3aca05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05a504abc8a779dbd6fbd9f8d1b49bb2fc7b700af64cd6e75a1a7ddc69d1e0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-02-26T13:12:28Z",
    "title_canon_sha256": "9ec0f89018274da60eeb0785adcaca4d1364facbfe3c03943331f734ff796e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09282",
    "kind": "arxiv",
    "version": 1
  }
}