Pith Number

pith:CWRS2S3R

pith:2015:CWRS2S3R3ZBFDG3ZCA7KN456K3

not attested not anchored not stored refs pending

Protein Repeats from First Principles

Diego U. Ferreiro, Pablo Turjanski, R. Gonzalo Parra, Roc\'io Espada, Ver\'onica Becher

arxiv:1510.02469 v1 · 2015-10-08 · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWRS2S3R3ZBFDG3ZCA7KN456K3}

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	2026-05-18T01:30:42.361746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a32d4b71de42519b79103ea6f3be56fe4b0351ad10bc5570081c7cc70a76dd

Aliases

arxiv: 1510.02469 · arxiv_version: 1510.02469v1 · doi: 10.48550/arxiv.1510.02469 · pith_short_12: CWRS2S3R3ZBF · pith_short_16: CWRS2S3R3ZBFDG3Z · pith_short_8: CWRS2S3R

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/CWRS2S3R3ZBFDG3ZCA7KN456K3 \
  | 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: 15a32d4b71de42519b79103ea6f3be56fe4b0351ad10bc5570081c7cc70a76dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5139d38cddd280d1ea6d636b641e4bf8f880d77b1fffdd6fede9cbfcb0deb926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2015-10-08T14:43:34Z",
    "title_canon_sha256": "d77fca9139651c3361babc318508f9278e4c2e273ebe95b68dc9b5a46263d661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02469",
    "kind": "arxiv",
    "version": 1
  }
}