Pith Number

pith:EWL6NJ7J

pith:2016:EWL6NJ7JT4SY2VUU33Z5MKWDKD

not attested not anchored not stored refs pending

The pure braid groups and their relatives

Alexander I. Suciu, He Wang

arxiv:1602.05291 v2 · 2016-02-17 · math.GR · 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{EWL6NJ7JT4SY2VUU33Z5MKWDKD}

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	2026-05-18T00:28:27.376816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2597e6a7e99f258d5694def3d62ac350ef9ea0afa831e3d4729d005a0258826f

Aliases

arxiv: 1602.05291 · arxiv_version: 1602.05291v2 · doi: 10.48550/arxiv.1602.05291 · pith_short_12: EWL6NJ7JT4SY · pith_short_16: EWL6NJ7JT4SY2VUU · pith_short_8: EWL6NJ7J

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/EWL6NJ7JT4SY2VUU33Z5MKWDKD \
  | 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: 2597e6a7e99f258d5694def3d62ac350ef9ea0afa831e3d4729d005a0258826f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd6b694d9b0bee2156c14f9504f91f48e1e766675f5d22e4c60b2de99d8effe2",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-02-17T04:02:09Z",
    "title_canon_sha256": "edb9b05d3b2daa69b85462b6db7e6e4ebf5c39e7dca81302b89c328000df6406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05291",
    "kind": "arxiv",
    "version": 2
  }
}