Pith Number

pith:X7RXRGKQ

pith:2014:X7RXRGKQ2Y3M7LM2SGVNM5O7QT

not attested not anchored not stored refs pending

How a well-adapted immune system is organized

Aleksandra M. Walczak, Andreas Mayer, Thierry Mora, Vijay Balasubramanian

arxiv:1407.6888 v1 · 2014-07-25 · q-bio.PE · cond-mat.dis-nn · physics.bio-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{X7RXRGKQ2Y3M7LM2SGVNM5O7QT}

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	2026-05-18T01:20:37.138846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfe3789950d636cfad9a91aad675df84d4aa72d7b009b5ced2564673cba17839

Aliases

arxiv: 1407.6888 · arxiv_version: 1407.6888v1 · doi: 10.48550/arxiv.1407.6888 · pith_short_12: X7RXRGKQ2Y3M · pith_short_16: X7RXRGKQ2Y3M7LM2 · pith_short_8: X7RXRGKQ

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/X7RXRGKQ2Y3M7LM2SGVNM5O7QT \
  | 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: bfe3789950d636cfad9a91aad675df84d4aa72d7b009b5ced2564673cba17839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51aa6155750dfcc012592c02f547fb116b374504ab086f90fd46129996518fc0",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-07-25T13:34:11Z",
    "title_canon_sha256": "4634a140bcd8432938ab5162936cc524baaf13b99e8180ee820e62367e855693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6888",
    "kind": "arxiv",
    "version": 1
  }
}