Pith Number

pith:JLSMQK2P

pith:2008:JLSMQK2PBR36XI3LLFEMIPDVY2

not attested not anchored not stored refs pending

Classification of Supersecondary Structures in Proteins Using the Automated Protein Structure Analysis Method

Dieter Cremer, Dmitry Izotov, Elfi Kraka, Sushilee Ranganathan

arxiv:0811.3464 v2 · 2008-11-21 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLSMQK2PBR36XI3LLFEMIPDVY2}

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	2026-07-04T15:16:17.932906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae4c82b4f0c77eba36b5948c43c75c69f8969d390e6aea6146d786fe4e95e57

Aliases

arxiv: 0811.3464 · arxiv_version: 0811.3464v2 · doi: 10.48550/arxiv.0811.3464 · pith_short_12: JLSMQK2PBR36 · pith_short_16: JLSMQK2PBR36XI3L · pith_short_8: JLSMQK2P

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/JLSMQK2PBR36XI3LLFEMIPDVY2 \
  | 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: 4ae4c82b4f0c77eba36b5948c43c75c69f8969d390e6aea6146d786fe4e95e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f61c6e45dae937734fb81fe51e10ffa45e0669c14a56203646ab55b09f9e8469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2008-11-21T04:24:40Z",
    "title_canon_sha256": "aa7806b7bd637d9e14393eef3eb6b703ffd50df78bd1eea10add935f7c70a06d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3464",
    "kind": "arxiv",
    "version": 2
  }
}