Pith Number

pith:2LXDHMCP

pith:2018:2LXDHMCPUU3P4ZJX2ZA7DQSRAM

not attested not anchored not stored refs pending

Propositional modal logic with implicit modal quantification

Anantha Padmanabha, R Ramanujam

arxiv:1811.09454 v2 · 2018-11-23 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LXDHMCPUU3P4ZJX2ZA7DQSRAM}

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	2026-05-17T23:57:14.714177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ee33b04fa536fe6537d641f1c2510339bdc8ef4b2f9cf621826d92ca9e6b86

Aliases

arxiv: 1811.09454 · arxiv_version: 1811.09454v2 · doi: 10.48550/arxiv.1811.09454 · pith_short_12: 2LXDHMCPUU3P · pith_short_16: 2LXDHMCPUU3P4ZJX · pith_short_8: 2LXDHMCP

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/2LXDHMCPUU3P4ZJX2ZA7DQSRAM \
  | 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: d2ee33b04fa536fe6537d641f1c2510339bdc8ef4b2f9cf621826d92ca9e6b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca4c96929149b89afc69da823acf37f0eaa50b8b6d5ea627d4c392b56d0257f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-11-23T12:42:16Z",
    "title_canon_sha256": "131e75dde34faac8855e6fa7bf3658bd2d17d589ae81252b4e9481afd86e3704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09454",
    "kind": "arxiv",
    "version": 2
  }
}