Pith Number

pith:EEQES3AO

pith:2018:EEQES3AOPKZJSBMXZFQKLSGSE7

not attested not anchored not stored refs pending

Modularity in biological evolution and evolutionary computation

Alexander Spirov, Anton Eremeev

arxiv:1811.07511 v1 · 2018-11-19 · cs.NE · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEQES3AOPKZJSBMXZFQKLSGSE7}

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	2026-05-18T00:00:24.258172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2120496c0e7ab2990597c960a5c8d227fa788bf6729705b6069348e340078312

Aliases

arxiv: 1811.07511 · arxiv_version: 1811.07511v1 · doi: 10.48550/arxiv.1811.07511 · pith_short_12: EEQES3AOPKZJ · pith_short_16: EEQES3AOPKZJSBMX · pith_short_8: EEQES3AO

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/EEQES3AOPKZJSBMXZFQKLSGSE7 \
  | 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: 2120496c0e7ab2990597c960a5c8d227fa788bf6729705b6069348e340078312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05bfa2b3e2010f0aaeb70089e7f902f9e437c3687d2a4c30204c49b9c05a2a27",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-11-19T05:42:41Z",
    "title_canon_sha256": "17ee1e60e0f1bfaff4db66f38ceefffa8aaee3e5353f0310177a1457889a6f34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07511",
    "kind": "arxiv",
    "version": 1
  }
}