Pith Number

pith:Q6N7RSMG

pith:2016:Q6N7RSMG2BXXV4VJLHKYX4EKJ2

not attested not anchored not stored refs pending

Cost and dimension of words of zero topological entropy

Anna E. Frid, Julien Cassaigne, Luca Q. Zamboni, Svetlana Puzynina

arxiv:1607.04728 v1 · 2016-07-16 · math.CO · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6N7RSMG2BXXV4VJLHKYX4EKJ2}

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	2026-05-18T01:10:56.905817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

879bf8c986d06f7af2a959d58bf08a4ea10940b5ff730fbd1182e3aac60d6c8d

Aliases

arxiv: 1607.04728 · arxiv_version: 1607.04728v1 · doi: 10.48550/arxiv.1607.04728 · pith_short_12: Q6N7RSMG2BXX · pith_short_16: Q6N7RSMG2BXXV4VJ · pith_short_8: Q6N7RSMG

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/Q6N7RSMG2BXXV4VJLHKYX4EKJ2 \
  | 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: 879bf8c986d06f7af2a959d58bf08a4ea10940b5ff730fbd1182e3aac60d6c8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88773132247615c40c1e9cf63c3a0e0d487423b3fcc5642bbb36fcde5ecc5ccb",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-07-16T11:42:29Z",
    "title_canon_sha256": "03d3379a8902c841c175b6a531cac64250283a6ab46ba8cdd14362c6ef4da1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04728",
    "kind": "arxiv",
    "version": 1
  }
}