Pith Number

pith:4Z35OS4V

pith:2016:4Z35OS4VOL6LMPME3AK6YYGCG2

not attested not anchored not stored refs pending

Relating Strong Spatial Cognition to Symbolic Problem Solving --- An Example

Christian Freksa, Florian Furbach, Ulrich Furbach

arxiv:1606.04397 v1 · 2016-06-14 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Z35OS4VOL6LMPME3AK6YYGCG2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:12:25.652223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e677d74b9572fcb63d84d815ec60c236aa926e6a339e43258bd1b0a04db810ea

Aliases

arxiv: 1606.04397 · arxiv_version: 1606.04397v1 · doi: 10.48550/arxiv.1606.04397 · pith_short_12: 4Z35OS4VOL6L · pith_short_16: 4Z35OS4VOL6LMPME · pith_short_8: 4Z35OS4V

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/4Z35OS4VOL6LMPME3AK6YYGCG2 \
  | 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: e677d74b9572fcb63d84d815ec60c236aa926e6a339e43258bd1b0a04db810ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "104f4afa3116a29d6a42bfdc403622d3b4d5d47a6a8ed56502321df93d091092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-06-14T14:41:24Z",
    "title_canon_sha256": "8a60fc61423e045c407b45087426e030f77cfeba1e68a8c612bf57b7312dd7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04397",
    "kind": "arxiv",
    "version": 1
  }
}