Pith Number

pith:ONUWCYBQ

pith:2015:ONUWCYBQYCDSUA3QV65P37XCQL

not attested not anchored not stored refs pending

Optimal size for emergence of self-replicating polymer system

Kunihiko Kaneko, Yoshiya J. Matsubara

arxiv:1509.08865 v2 · 2015-09-29 · physics.chem-ph · physics.bio-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONUWCYBQYCDSUA3QV65P37XCQL}

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	2026-05-18T00:05:56.913112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7369616030c0872a0370afbafdfee282fbc65b108cea55115488ce762d86a4e3

Aliases

arxiv: 1509.08865 · arxiv_version: 1509.08865v2 · doi: 10.48550/arxiv.1509.08865 · pith_short_12: ONUWCYBQYCDS · pith_short_16: ONUWCYBQYCDSUA3Q · pith_short_8: ONUWCYBQ

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/ONUWCYBQYCDSUA3QV65P37XCQL \
  | 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: 7369616030c0872a0370afbafdfee282fbc65b108cea55115488ce762d86a4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aef406215b8db88ab4c27cd3e7b4813ec3ad180f236cd5a9ba0b145e368671a",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-09-29T17:35:26Z",
    "title_canon_sha256": "d8d14641620a4f1d630fdec567146ed0d9dcd09204373ee8db72dd37ee007c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08865",
    "kind": "arxiv",
    "version": 2
  }
}