Pith Number

pith:G4KZRKQA

pith:2011:G4KZRKQAPEWDDTQCCEWQDSDB2X

not attested not anchored not stored refs pending

The Computing of Digital Ecosystems

Gerard Briscoe, Philippe De Wilde

arxiv:1101.5428 v1 · 2011-01-28 · cs.DC · cs.MA · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4KZRKQAPEWDDTQCCEWQDSDB2X}

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	2026-05-18T04:30:35.045239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

371598aa00792c31ce02112d01c861d5de0c9b6efda5f56487b731581cc8fb02

Aliases

arxiv: 1101.5428 · arxiv_version: 1101.5428v1 · doi: 10.48550/arxiv.1101.5428 · pith_short_12: G4KZRKQAPEWD · pith_short_16: G4KZRKQAPEWDDTQC · pith_short_8: G4KZRKQA

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/G4KZRKQAPEWDDTQCCEWQDSDB2X \
  | 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: 371598aa00792c31ce02112d01c861d5de0c9b6efda5f56487b731581cc8fb02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3da6440786538930e9ef79e0d6f5d09d97a2125ab0d92fe2eb5f8b12351832",
    "cross_cats_sorted": [
      "cs.MA",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-01-28T02:08:56Z",
    "title_canon_sha256": "e538e9cbb85507e6c5724e156ef32efcc3e82d4f21f55d86da67726e5fe8ac26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5428",
    "kind": "arxiv",
    "version": 1
  }
}