Pith Number

pith:LGCLQACC

pith:2015:LGCLQACCFHK7BVVNFCSK3P4RJH

not attested not anchored not stored refs pending

A note on the avoidability of binary patterns with variables and reversals

Robert Merca\c{s}

arxiv:1508.04571 v1 · 2015-08-19 · 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{LGCLQACCFHK7BVVNFCSK3P4RJH}

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	2026-05-18T01:35:02.403288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5984b8004229d5f0d6ad28a4adbf9149c1bb7f7abda0160df09b00d468641f76

Aliases

arxiv: 1508.04571 · arxiv_version: 1508.04571v1 · doi: 10.48550/arxiv.1508.04571 · pith_short_12: LGCLQACCFHK7 · pith_short_16: LGCLQACCFHK7BVVN · pith_short_8: LGCLQACC

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/LGCLQACCFHK7BVVNFCSK3P4RJH \
  | 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: 5984b8004229d5f0d6ad28a4adbf9149c1bb7f7abda0160df09b00d468641f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb1f3bf102993f3395d81e7a9aa3118a412fd2c9db9074665edfaadc8d9dc346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-08-19T09:04:34Z",
    "title_canon_sha256": "afb30db82958710e57057805060664ed5464c7ac3adcb7faa157fcfdba0e0e48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04571",
    "kind": "arxiv",
    "version": 1
  }
}