Pith Number

pith:D37W3TO7

pith:2014:D37W3TO7CPS5AGMQPESSATUVU3

not attested not anchored not stored refs pending

One-dimensional fragment of first-order logic

Antti Kuusisto, Lauri Hella

arxiv:1404.4004 v1 · 2014-04-15 · math.LO · 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{D37W3TO7CPS5AGMQPESSATUVU3}

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	2026-05-18T02:54:13.165407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eff6dcddf13e5d019907925204e95a6f8991e6c7dbe49f0e0cb74912b01f6cb

Aliases

arxiv: 1404.4004 · arxiv_version: 1404.4004v1 · doi: 10.48550/arxiv.1404.4004 · pith_short_12: D37W3TO7CPS5 · pith_short_16: D37W3TO7CPS5AGMQ · pith_short_8: D37W3TO7

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/D37W3TO7CPS5AGMQPESSATUVU3 \
  | 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: 1eff6dcddf13e5d019907925204e95a6f8991e6c7dbe49f0e0cb74912b01f6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b051fd717b036f0e9c42a55ee7afecb420351bda0a1df82470e2078a06c8127",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-04-15T18:14:52Z",
    "title_canon_sha256": "ae4ec33e4ed23627c2a3fc49c94515a21f0f8d8ec156ebf6d02e56e6cf44327c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4004",
    "kind": "arxiv",
    "version": 1
  }
}