Pith Number

pith:NBDSTZ6N

pith:2018:NBDSTZ6N6LOSM6YEDEXVNX5UE3

not attested not anchored not stored refs pending

Bundled fragments of first-order modal logic: (un)decidability

Anantha Padmanabha, R. Ramanujam, Yanjing Wang

arxiv:1803.10508 v1 · 2018-03-28 · cs.LO · cs.AI · math.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{NBDSTZ6N6LOSM6YEDEXVNX5UE3}

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	2026-05-18T00:19:55.112735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684729e7cdf2dd267b04192f56dfb426d9e1272b53c5287a5f97bb2a73c844af

Aliases

arxiv: 1803.10508 · arxiv_version: 1803.10508v1 · doi: 10.48550/arxiv.1803.10508 · pith_short_12: NBDSTZ6N6LOS · pith_short_16: NBDSTZ6N6LOSM6YE · pith_short_8: NBDSTZ6N

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/NBDSTZ6N6LOSM6YEDEXVNX5UE3 \
  | 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: 684729e7cdf2dd267b04192f56dfb426d9e1272b53c5287a5f97bb2a73c844af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fabb9491fe679a4fe3d6c42c68a324b1be485a6b4014e99be78b1dcc8ad5a500",
    "cross_cats_sorted": [
      "cs.AI",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-03-28T10:20:13Z",
    "title_canon_sha256": "56642293a306e1da2f83c1b5660d8df09519682d6c70d7ed27e1c141f65232dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10508",
    "kind": "arxiv",
    "version": 1
  }
}