pith. sign in
Pith Number

pith:ZW43SICO

pith:2011:ZW43SICOCHINBSJ5UW3LRV3FM6
not attested not anchored not stored refs pending

The Thinking machine: a psychological view of Mawxwell's demon mind

Alexandre de Castro

arxiv:1108.1824 v7 · 2011-08-08 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZW43SICOCHINBSJ5UW3LRV3FM6}

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 2026-05-18T03:36:06.605430Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cdb9b9204e11d0d0c93da5b6b8d76567b8559dfab9f0cfa98f7597c3534d8c98

Aliases

arxiv: 1108.1824 · arxiv_version: 1108.1824v7 · doi: 10.48550/arxiv.1108.1824 · pith_short_12: ZW43SICOCHIN · pith_short_16: ZW43SICOCHINBSJ5 · pith_short_8: ZW43SICO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZW43SICOCHINBSJ5UW3LRV3FM6 \
  | 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: cdb9b9204e11d0d0c93da5b6b8d76567b8559dfab9f0cfa98f7597c3534d8c98
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "755618e86363b781d7f29a1fb2aed17e667945dfaf8306f9a91b90d4ba27d669",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-08T22:38:32Z",
    "title_canon_sha256": "eea94044bec98757c85af7d583a08b9fa67238fb71aea928a68db2dd1a143df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1824",
    "kind": "arxiv",
    "version": 7
  }
}