Pith Number

pith:SR5LPKZ6

pith:2013:SR5LPKZ6NLOZBG57BPT3CIKG42

not attested not anchored not stored refs pending

The Immune System: the ultimate fractionated cyber-physical system

Carolyn Talcott

arxiv:1309.5145 v1 · 2013-09-20 · cs.CE · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SR5LPKZ6NLOZBG57BPT3CIKG42}

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	2026-05-18T03:12:47.483171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947ab7ab3e6add909bbf0be7b12146e6bd76f50e78c85ef136e27e005fa9c2da

Aliases

arxiv: 1309.5145 · arxiv_version: 1309.5145v1 · doi: 10.48550/arxiv.1309.5145 · pith_short_12: SR5LPKZ6NLOZ · pith_short_16: SR5LPKZ6NLOZBG57 · pith_short_8: SR5LPKZ6

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/SR5LPKZ6NLOZBG57BPT3CIKG42 \
  | 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: 947ab7ab3e6add909bbf0be7b12146e6bd76f50e78c85ef136e27e005fa9c2da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9024512ee7b090b88a18287336b4c509240c134e50128583d0250dc5dc48c67d",
    "cross_cats_sorted": [
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2013-09-20T01:45:29Z",
    "title_canon_sha256": "0c06353fafae39561e162a69a1b8bf88de3eacc6b2c908aaf2d5f8d76d117613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5145",
    "kind": "arxiv",
    "version": 1
  }
}