Pith Number

pith:CM7MTM23

pith:2015:CM7MTM23J35ORVBI335PWYHFOQ

not attested not anchored not stored refs pending

Quantifier Alternation for Infinite Words

Marc Zeitoun, Th\'eo Pierron, Thomas Place

arxiv:1511.09011 v1 · 2015-11-29 · 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{CM7MTM23J35ORVBI335PWYHFOQ}

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	2026-05-18T01:25:45.870230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

133ec9b35b4efae8d428defafb60e574152f5cd11bac2b681272b70058e03b94

Aliases

arxiv: 1511.09011 · arxiv_version: 1511.09011v1 · doi: 10.48550/arxiv.1511.09011 · pith_short_12: CM7MTM23J35O · pith_short_16: CM7MTM23J35ORVBI · pith_short_8: CM7MTM23

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/CM7MTM23J35ORVBI335PWYHFOQ \
  | 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: 133ec9b35b4efae8d428defafb60e574152f5cd11bac2b681272b70058e03b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f651ae22f63d9428a10629876ad97e56cb36832f2c67a804411668bf267ef435",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-11-29T13:28:24Z",
    "title_canon_sha256": "97b3823d56ed854f6117442fec3d8efaf439f0e077c82c30a577a1dd96b8ec03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09011",
    "kind": "arxiv",
    "version": 1
  }
}