Pith Number

pith:SBDKKACH

pith:2014:SBDKKACHYDSXN4UQETGOSARH44

not attested not anchored not stored refs pending

On finite derived quotients of 3-manifold groups

Will Cavendish

arxiv:1405.4351 v1 · 2014-05-17 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBDKKACHYDSXN4UQETGOSARH44}

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	2026-05-18T01:21:56.025277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9046a50047c0e576f29024cce90227e7065bfc02b50cc244872b33938b5a419c

Aliases

arxiv: 1405.4351 · arxiv_version: 1405.4351v1 · doi: 10.48550/arxiv.1405.4351 · pith_short_12: SBDKKACHYDSX · pith_short_16: SBDKKACHYDSXN4UQ · pith_short_8: SBDKKACH

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/SBDKKACHYDSXN4UQETGOSARH44 \
  | 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: 9046a50047c0e576f29024cce90227e7065bfc02b50cc244872b33938b5a419c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1344988f044589c850a036025869aba9eb0caaa6d24980d3df1a973fb506b740",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-17T04:45:14Z",
    "title_canon_sha256": "d986f66cdd338f5b84ba5cd313893d348f479e0304435874d5e6c9a8ef27aa03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4351",
    "kind": "arxiv",
    "version": 1
  }
}