Pith Number

pith:W7MPGUY6

pith:2014:W7MPGUY66KCPDAYEAU422NWNJE

not attested not anchored not stored refs pending

Braided Diagram Groups and Local Similarity Groups

Bruce Hughes, Daniel Farley

arxiv:1406.4587 v1 · 2014-06-18 · 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{W7MPGUY66KCPDAYEAU422NWNJE}

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	2026-05-18T02:49:31.211646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d8f3531ef284f183040539ad36cd490d26176746c287eff370bcb864b131da

Aliases

arxiv: 1406.4587 · arxiv_version: 1406.4587v1 · doi: 10.48550/arxiv.1406.4587 · pith_short_12: W7MPGUY66KCP · pith_short_16: W7MPGUY66KCPDAYE · pith_short_8: W7MPGUY6

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/W7MPGUY66KCPDAYEAU422NWNJE \
  | 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: b7d8f3531ef284f183040539ad36cd490d26176746c287eff370bcb864b131da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0fccb5e3b72547213a826929bf72cd4367fb0e1291ec441017aa780e169897",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-06-18T03:52:54Z",
    "title_canon_sha256": "b116ca9d6eacdff3ec765a2d645461960f6e1c222a731f5e89c6e9399a01dd12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4587",
    "kind": "arxiv",
    "version": 1
  }
}