Pith Number

pith:4R7HQ3CP

pith:2011:4R7HQ3CPSALYZA33IK7UX6NKWJ

not attested not anchored not stored refs pending

On Three Challenges of Artificial Living Systems and Embodied Evolution

Serge Kernbach

arxiv:1111.1094 v1 · 2011-11-04 · cs.RO · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R7HQ3CPSALYZA33IK7UX6NKWJ}

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	2026-05-18T04:09:35.773307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47e786c4f90178c837b42bf4bf9aab264e1043f3451a02ca7bba1955aef55c8

Aliases

arxiv: 1111.1094 · arxiv_version: 1111.1094v1 · doi: 10.48550/arxiv.1111.1094 · pith_short_12: 4R7HQ3CPSALY · pith_short_16: 4R7HQ3CPSALYZA33 · pith_short_8: 4R7HQ3CP

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/4R7HQ3CPSALYZA33IK7UX6NKWJ \
  | 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: e47e786c4f90178c837b42bf4bf9aab264e1043f3451a02ca7bba1955aef55c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e285c4344c05d68129e184c49697347cd5f7dec3d653055ba7ff86338253b36a",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2011-11-04T11:09:46Z",
    "title_canon_sha256": "e8e6460d4b70d9f347f7fbd8676c8ccc1bebcc230a17346442f463f627fb5eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1094",
    "kind": "arxiv",
    "version": 1
  }
}