Pith Number

pith:7VKWXZBW

pith:2011:7VKWXZBWONS5PAAAFNZYY23LEZ

not attested not anchored not stored refs pending

On Primitive Words I: A New Algorithm

Doron Puder

arxiv:1103.4061 v2 · 2011-03-21 · math.GR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VKWXZBWONS5PAAAFNZYY23LEZ}

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	2026-05-18T04:13:46.916422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd556be4367365d780002b738c6b6b2663d997e3710580461be68d1eef17cfd0

Aliases

arxiv: 1103.4061 · arxiv_version: 1103.4061v2 · doi: 10.48550/arxiv.1103.4061 · pith_short_12: 7VKWXZBWONS5 · pith_short_16: 7VKWXZBWONS5PAAA · pith_short_8: 7VKWXZBW

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/7VKWXZBWONS5PAAAFNZYY23LEZ \
  | 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: fd556be4367365d780002b738c6b6b2663d997e3710580461be68d1eef17cfd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eedec1f5b93a6d231be54da8ccb97c6068b5d22b6cd3e22507fe844ce51213f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2011-03-21T15:55:42Z",
    "title_canon_sha256": "c4dbf2eff4c542b105c00d288f579638dcef52bcaf0bd3c145dddbc468427cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4061",
    "kind": "arxiv",
    "version": 2
  }
}