Pith Number

pith:CTK2WBTQ

pith:2012:CTK2WBTQWTL7NGKDJLNH4Z4LKR

not attested not anchored not stored refs pending

Towards a Mathematical Foundation of Immunology and Amino Acid Chains

Hau-San Wong, Quan-Wu Xiao, Stephen Smale, Wen-Jun Shen, Xin Guo

arxiv:1205.6031 v2 · 2012-05-28 · stat.ML · cs.LG · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTK2WBTQWTL7NGKDJLNH4Z4LKR}

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	2026-05-18T03:52:41.222029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d5ab0670b4d7f699434ada7e678b5453bd1178c6ac588d061125ae7c998877

Aliases

arxiv: 1205.6031 · arxiv_version: 1205.6031v2 · doi: 10.48550/arxiv.1205.6031 · pith_short_12: CTK2WBTQWTL7 · pith_short_16: CTK2WBTQWTL7NGKD · pith_short_8: CTK2WBTQ

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/CTK2WBTQWTL7NGKDJLNH4Z4LKR \
  | 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: 14d5ab0670b4d7f699434ada7e678b5453bd1178c6ac588d061125ae7c998877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3807de4c09d61ee40d0f2a002855b08a4079b44539f50b061062d2243caa1e69",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.GN"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-05-28T05:47:52Z",
    "title_canon_sha256": "cf1e3ea403b3c8aeaf1b99a54d68e1e984ef08900bd1fa3cdfb24154d8bb00f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6031",
    "kind": "arxiv",
    "version": 2
  }
}