Pith Number

pith:2NAN3HUS

pith:2012:2NAN3HUSYIIQTYOHV7YCNO4SQG

not attested not anchored not stored refs pending

Open Problems on Information and Feedback Controlled Systems

F. J. Cao, M. Feito

arxiv:1205.4434 v1 · 2012-05-20 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NAN3HUSYIIQTYOHV7YCNO4SQG}

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	2026-05-18T03:55:13.247596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d340dd9e92c21109e1c7aff026bb9281bcce9fc280043fc34dbdf7ee017c3216

Aliases

arxiv: 1205.4434 · arxiv_version: 1205.4434v1 · doi: 10.48550/arxiv.1205.4434 · pith_short_12: 2NAN3HUSYIIQ · pith_short_16: 2NAN3HUSYIIQTYOH · pith_short_8: 2NAN3HUS

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/2NAN3HUSYIIQTYOHV7YCNO4SQG \
  | 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: d340dd9e92c21109e1c7aff026bb9281bcce9fc280043fc34dbdf7ee017c3216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c20b1482c2550a353943853436abfc0274d2087a3b421062884f6c1ab6988c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2012-05-20T16:53:21Z",
    "title_canon_sha256": "199a9ef127ff2d120f2ce87c17527f94464ad8c32c61a9ad934c83ecf2e7e07c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4434",
    "kind": "arxiv",
    "version": 1
  }
}