Pith Number

pith:DA7FAGJW

pith:2013:DA7FAGJW7VA5XKPD4YN2CZDBNY

not attested not anchored not stored refs pending

Model Theoretic Characterisations of Description Logics

Robert Piro

arxiv:1305.5820 v1 · 2013-05-24 · cs.LO · 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{DA7FAGJW7VA5XKPD4YN2CZDBNY}

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	2026-05-18T03:24:54.733555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183e501936fd41dba9e3e61ba164616e229b553bcb9bff7b444eee9fe413530c

Aliases

arxiv: 1305.5820 · arxiv_version: 1305.5820v1 · doi: 10.48550/arxiv.1305.5820 · pith_short_12: DA7FAGJW7VA5 · pith_short_16: DA7FAGJW7VA5XKPD · pith_short_8: DA7FAGJW

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/DA7FAGJW7VA5XKPD4YN2CZDBNY \
  | 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: 183e501936fd41dba9e3e61ba164616e229b553bcb9bff7b444eee9fe413530c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929482ec4c297130e79425cbe23352a49bbf9b87a50cc43ae512633fbd8f3df6",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-05-24T18:27:52Z",
    "title_canon_sha256": "cc731f0b8410cd7d6d80d9272cbe6bd1745de92f0bbb0539dcc20182b0b8eba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5820",
    "kind": "arxiv",
    "version": 1
  }
}