Pith Number

pith:73AKU3C4

pith:2017:73AKU3C4BS2W4QAFU3IGOE5TNX

not attested not anchored not stored refs pending

Surprise Search for Evolutionary Divergence

Antonios Liapis, Daniele Gravina, Georgios N. Yannakakis

arxiv:1706.02556 v1 · 2017-06-08 · 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{73AKU3C4BS2W4QAFU3IGOE5TNX}

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	2026-05-18T00:42:45.147935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec0aa6c5c0cb56e4005a6d06713b36dca73d1a4a9de2d1cf7211671e10325cd

Aliases

arxiv: 1706.02556 · arxiv_version: 1706.02556v1 · doi: 10.48550/arxiv.1706.02556 · pith_short_12: 73AKU3C4BS2W · pith_short_16: 73AKU3C4BS2W4QAF · pith_short_8: 73AKU3C4

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/73AKU3C4BS2W4QAFU3IGOE5TNX \
  | 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: fec0aa6c5c0cb56e4005a6d06713b36dca73d1a4a9de2d1cf7211671e10325cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c2d6376610682d0931e180137d26e616ea987b64525ca14dc91632eff5d0e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-06-08T12:55:26Z",
    "title_canon_sha256": "2f848b19ab42e9b2d10df07f8be11f8f536a36436811b66e49ebbb2e83f4d451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02556",
    "kind": "arxiv",
    "version": 1
  }
}