Pith Number

pith:A6KPYIU2

pith:2018:A6KPYIU2SNNX6EJEGFT457YROW

not attested not anchored not stored refs pending

How a well-adapting immune system remembers

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

arxiv:1806.05753 v2 · 2018-06-14 · 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{A6KPYIU2SNNX6EJEGFT457YROW}

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	2026-05-17T23:46:30.366006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0794fc229a935b7f11243167ceff1175bc4bb314cbefbb5d82e58ff2485521fa

Aliases

arxiv: 1806.05753 · arxiv_version: 1806.05753v2 · doi: 10.48550/arxiv.1806.05753 · pith_short_12: A6KPYIU2SNNX · pith_short_16: A6KPYIU2SNNX6EJE · pith_short_8: A6KPYIU2

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/A6KPYIU2SNNX6EJEGFT457YROW \
  | 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: 0794fc229a935b7f11243167ceff1175bc4bb314cbefbb5d82e58ff2485521fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12db98be07024f07eff85a671c51f64b1d88a7dc9302adf84f068bfe110a412",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-06-14T22:03:55Z",
    "title_canon_sha256": "a2e3a43e8e9aedff93e72279b0210ecde61db563fcd048011236968a530f3bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05753",
    "kind": "arxiv",
    "version": 2
  }
}