Pith Number

pith:EAZ75T7Q

pith:2011:EAZ75T7Q352QJT6DASTISKSUX6

not attested not anchored not stored refs pending

On primary and secondary repetitions in words

Roman Kolpakov

arxiv:1103.5230 v1 · 2011-03-27 · 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{EAZ75T7Q352QJT6DASTISKSUX6}

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	2026-05-18T04:25:38.383914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2033fecff0df7504cfc304a6892a54bf92509db1da76d5542367c91eb6e3969c

Aliases

arxiv: 1103.5230 · arxiv_version: 1103.5230v1 · doi: 10.48550/arxiv.1103.5230 · pith_short_12: EAZ75T7Q352Q · pith_short_16: EAZ75T7Q352QJT6D · pith_short_8: EAZ75T7Q

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/EAZ75T7Q352QJT6DASTISKSUX6 \
  | 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: 2033fecff0df7504cfc304a6892a54bf92509db1da76d5542367c91eb6e3969c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e75e22ba525474bdcb209e28b3b8991bfec74b3ffb24802e05e279e553cedfa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-03-27T16:17:11Z",
    "title_canon_sha256": "86f517f4e4d7e4d5d301b64ddcfaa9bcc56e29bc9cfa5dbf75ce7637b771f3f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5230",
    "kind": "arxiv",
    "version": 1
  }
}