Pith Number

pith:Z2EEIHJM

pith:2018:Z2EEIHJMHL5TXDBTBGJNXDEOSQ

not attested not anchored not stored refs pending

The Institutional Approach

Robert E. Kent

arxiv:1810.08074 v1 · 2018-10-17 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2EEIHJMHL5TXDBTBGJNXDEOSQ}

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	2026-05-18T00:02:50.643720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce88441d2c3afb3b8c330992db8c8e940ac61ecf5768ba039b6ffc089cd30b51

Aliases

arxiv: 1810.08074 · arxiv_version: 1810.08074v1 · doi: 10.48550/arxiv.1810.08074 · pith_short_12: Z2EEIHJMHL5T · pith_short_16: Z2EEIHJMHL5TXDBT · pith_short_8: Z2EEIHJM

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/Z2EEIHJMHL5TXDBTBGJNXDEOSQ \
  | 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: ce88441d2c3afb3b8c330992db8c8e940ac61ecf5768ba039b6ffc089cd30b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0e063d76fc1ce9e4a603f74838dbab40dcb314be0aafe708f447f526a12516",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-10-17T17:59:56Z",
    "title_canon_sha256": "75f8c58a51669647e244eef18e33b20c811d29bb690adc0ad9bc29cd8e79639d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08074",
    "kind": "arxiv",
    "version": 1
  }
}