Pith Number

pith:YNWGLSAA

pith:2012:YNWGLSAAEZ3MQYXW5PJFOXQGPA

not attested not anchored not stored refs pending

Defensive complexity and the phylogenetic conservation of immune control

Carl T. Bergstrom, Erick Chastain, Rustom Antia

arxiv:1211.2878 v1 · 2012-11-13 · 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{YNWGLSAAEZ3MQYXW5PJFOXQGPA}

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	2026-05-18T03:40:52.479442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c36c65c8002676c862f6ebd2575e06781c312c49c544de224f34a32a1264f8b3

Aliases

arxiv: 1211.2878 · arxiv_version: 1211.2878v1 · doi: 10.48550/arxiv.1211.2878 · pith_short_12: YNWGLSAAEZ3M · pith_short_16: YNWGLSAAEZ3MQYXW · pith_short_8: YNWGLSAA

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/YNWGLSAAEZ3MQYXW5PJFOXQGPA \
  | 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: c36c65c8002676c862f6ebd2575e06781c312c49c544de224f34a32a1264f8b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1448158d04688a8b3ddd92019b09a312622a4322c428196e8bbbda19e8b2215d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-11-13T03:26:45Z",
    "title_canon_sha256": "81bddc0f1de658d606a362e6a7bfbf2382e298809a47a15150c6fc6b4251259b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2878",
    "kind": "arxiv",
    "version": 1
  }
}