Pith Number

pith:7WONCG7M

pith:2018:7WONCG7MZDADGQZYZZB3IC5HAU

not attested not anchored not stored refs pending

Evolving Event-driven Programs with SignalGP

Alexander Lalejini, Charles Ofria

arxiv:1804.05445 v1 · 2018-04-15 · 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{7WONCG7MZDADGQZYZZB3IC5HAU}

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	2026-05-18T00:18:28.113453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9cd11becc8c0334338ce43b40ba7052f6c385f7a44ef39840d644190dfa18c

Aliases

arxiv: 1804.05445 · arxiv_version: 1804.05445v1 · doi: 10.48550/arxiv.1804.05445 · pith_short_12: 7WONCG7MZDAD · pith_short_16: 7WONCG7MZDADGQZY · pith_short_8: 7WONCG7M

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/7WONCG7MZDADGQZYZZB3IC5HAU \
  | 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: fd9cd11becc8c0334338ce43b40ba7052f6c385f7a44ef39840d644190dfa18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4354d15b78d102596ad240147bba47360c40841c37e4bfd8f74d26e4abe3150",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-15T22:47:41Z",
    "title_canon_sha256": "4c42969832d999116f6a99354bb47050cef3e86beeaa109c169f04e0cfc1888b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05445",
    "kind": "arxiv",
    "version": 1
  }
}