Pith Number

pith:YDJY647G

pith:2017:YDJY647GSZFSQTA4AQEQ7EADU4

not attested not anchored not stored refs pending

On Words with the Zero Palindromic Defect

Edita Pelantov\'a, \v{S}t\v{e}p\'an Starosta

arxiv:1708.06911 v1 · 2017-08-23 · 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{YDJY647GSZFSQTA4AQEQ7EADU4}

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	2026-05-18T00:26:36.540525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d38f73e6964b284c1c04090f9003a73def520bc1c6491f901ec82f3adc0e17

Aliases

arxiv: 1708.06911 · arxiv_version: 1708.06911v1 · doi: 10.48550/arxiv.1708.06911 · pith_short_12: YDJY647GSZFS · pith_short_16: YDJY647GSZFSQTA4 · pith_short_8: YDJY647G

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/YDJY647GSZFSQTA4AQEQ7EADU4 \
  | 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: c0d38f73e6964b284c1c04090f9003a73def520bc1c6491f901ec82f3adc0e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c78d16b9b0f714d58a864c33629c8b238ee93b5beea57d58b91eb9a0c0b14b66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-23T08:03:36Z",
    "title_canon_sha256": "278b749221808a4cef104b82c0695d07a7e7f8f2ac787c2199429006ab8a61fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06911",
    "kind": "arxiv",
    "version": 1
  }
}