Pith Number

pith:Z4Y6GUFV

pith:2017:Z4Y6GUFV7KEOGRFOX6J6ECJ4CT

not attested not anchored not stored refs pending

Identification of Unmodeled Objects from Symbolic Descriptions

Andrea Baisero, Marc Toussaint, Peter Englert, Stefan Otte

arxiv:1701.06450 v1 · 2017-01-23 · stat.ML · 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{Z4Y6GUFV7KEOGRFOX6J6ECJ4CT}

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	2026-05-18T00:52:18.337371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf31e350b5fa88e344aebf93e2093c14c4f2c0713f707cd1b3cfc07cf57e99e1

Aliases

arxiv: 1701.06450 · arxiv_version: 1701.06450v1 · doi: 10.48550/arxiv.1701.06450 · pith_short_12: Z4Y6GUFV7KEO · pith_short_16: Z4Y6GUFV7KEOGRFO · pith_short_8: Z4Y6GUFV

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/Z4Y6GUFV7KEOGRFOX6J6ECJ4CT \
  | 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: cf31e350b5fa88e344aebf93e2093c14c4f2c0713f707cd1b3cfc07cf57e99e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "440e62f695c7013bcfdbe332ee52eba1edacc73048a3e3c04c9d0b40bed08af4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-01-23T15:26:01Z",
    "title_canon_sha256": "f849cf076deab2aabeec0fc14bd6ae98c4cedd97c455c99ca01c8fdf694feb90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06450",
    "kind": "arxiv",
    "version": 1
  }
}