Pith Number

pith:UHIADPMR

pith:2022:UHIADPMRHAHKJUS5ACCNDAKPZV

not attested not anchored not stored refs pending

Lotka-Volterra Models for Extraterrestrial Self-Replicating Probes

Jiayi Ni, Yen Chin Ong, Yifan Chen

arxiv:2209.14244 v2 · 2022-09-08 · math.DS · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHIADPMRHAHKJUS5ACCNDAKPZV}

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	2026-07-05T05:04:15.181113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d001bd91380ea4d25d0084d1814fcd417625df0eae777545e447987ee8d09d

Aliases

arxiv: 2209.14244 · arxiv_version: 2209.14244v2 · doi: 10.48550/arxiv.2209.14244 · pith_short_12: UHIADPMRHAHK · pith_short_16: UHIADPMRHAHKJUS5 · pith_short_8: UHIADPMR

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/UHIADPMRHAHKJUS5ACCNDAKPZV \
  | 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: a1d001bd91380ea4d25d0084d1814fcd417625df0eae777545e447987ee8d09d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d03430bed5e61e36f8a897093d3d3c447397de7d9f31a346957155665db2c1f0",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2022-09-08T06:38:44Z",
    "title_canon_sha256": "fbb0a65ea3f53415c88c5fdbc40dff7580c86b96a4e23e24d5c92c610cf20748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.14244",
    "kind": "arxiv",
    "version": 2
  }
}