Pith Number

pith:74J2Y756

pith:2011:74J2Y756TWBUUP7K7SBG5EPV6E

not attested not anchored not stored refs pending

Building Smart Communities with Cyber-Physical Systems

Feng Xia, Jianhua Ma

arxiv:1201.0216 v1 · 2011-12-31 · cs.SI · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74J2Y756TWBUUP7K7SBG5EPV6E}

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	2026-05-18T04:05:25.823149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff13ac7fbe9d834a3feafc826e91f5f1045ea7a08c4c3524be13b6b7b72b5aff

Aliases

arxiv: 1201.0216 · arxiv_version: 1201.0216v1 · doi: 10.48550/arxiv.1201.0216 · pith_short_12: 74J2Y756TWBU · pith_short_16: 74J2Y756TWBUUP7K · pith_short_8: 74J2Y756

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/74J2Y756TWBUUP7K7SBG5EPV6E \
  | 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: ff13ac7fbe9d834a3feafc826e91f5f1045ea7a08c4c3524be13b6b7b72b5aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab65c576df5420a8a323d2a00f2df6315e07e7db6abecf8c3b5cd82e42b6274",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-12-31T03:19:14Z",
    "title_canon_sha256": "2c5a0d95cc2fa1069c8776c88b91b282fdd70f75f431712690a8272217f52583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0216",
    "kind": "arxiv",
    "version": 1
  }
}