Pith Number

pith:UGMMPL2G

pith:2019:UGMMPL2GKUA6QCKJR2ZVVX2LHK

not attested not anchored not stored refs pending

Block Argumentation

Francesco Santini, Ryuta Arisaka, Stefano Bistarelli

arxiv:1901.06378 v1 · 2019-01-18 · cs.AI · 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{UGMMPL2GKUA6QCKJR2ZVVX2LHK}

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	2026-05-17T23:56:01.168685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a198c7af465501e809498eb35adf4b3aa466c8c8e5fc416c43b448d5a6075b31

Aliases

arxiv: 1901.06378 · arxiv_version: 1901.06378v1 · doi: 10.48550/arxiv.1901.06378 · pith_short_12: UGMMPL2GKUA6 · pith_short_16: UGMMPL2GKUA6QCKJ · pith_short_8: UGMMPL2G

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/UGMMPL2GKUA6QCKJR2ZVVX2LHK \
  | 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: a198c7af465501e809498eb35adf4b3aa466c8c8e5fc416c43b448d5a6075b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6230a8a7ef118c5275b3e6c630a16994d109b90143e90d4ab0c50445a1d88f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-01-18T18:44:26Z",
    "title_canon_sha256": "15607a41ecda94196829b636b13b50a216ddfe83b21ffea83ffb7dcfc4aa5b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06378",
    "kind": "arxiv",
    "version": 1
  }
}