Pith Number

pith:3S3GCZPT

pith:2025:3S3GCZPTOUMFKC3FUUDGW5FBKT

not attested not anchored not stored refs pending

The number of immune defense and counter-defense systems sustained in the arms race between procaryotes and viruses

Anna Lekontseva, Konstantin Severinov, Yaroslav Ispolatov

arxiv:2502.01021 v1 · 2025-02-03 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3S3GCZPTOUMFKC3FUUDGW5FBKT}

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	2026-07-05T11:46:38.775070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb66165f37518550b65a5066b74a154f44d67178618c8c25850ed5a25458035

Aliases

arxiv: 2502.01021 · arxiv_version: 2502.01021v1 · doi: 10.48550/arxiv.2502.01021 · pith_short_12: 3S3GCZPTOUMF · pith_short_16: 3S3GCZPTOUMFKC3F · pith_short_8: 3S3GCZPT

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/3S3GCZPTOUMFKC3FUUDGW5FBKT \
  | 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: dcb66165f37518550b65a5066b74a154f44d67178618c8c25850ed5a25458035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bea487b4845ae378dd1b2f096b1e2b300277df5c7f6adda46dbe8864d2638dfc",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2025-02-03T03:34:14Z",
    "title_canon_sha256": "29fc661bc11c961b531eb95fd19443f8ab5843ae4e105211ea14997d3d844912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01021",
    "kind": "arxiv",
    "version": 1
  }
}