Pith Number

pith:7JHQMUUN

pith:2011:7JHQMUUNXRQTMFGUQW4ULNVBNR

not attested not anchored not stored refs pending

An Exact Algorithm for Side-Chain Placement in Protein Design

Gunnar W. Klau, Nora C. Toussaint, Stefan Canzar

arxiv:1103.1503 v1 · 2011-03-08 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JHQMUUNXRQTMFGUQW4ULNVBNR}

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	2026-05-18T04:25:38.745292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4f06528dbc613614d485b945b6a16c5520bf87d1a39e8d907e3e3bfca827e3

Aliases

arxiv: 1103.1503 · arxiv_version: 1103.1503v1 · doi: 10.48550/arxiv.1103.1503 · pith_short_12: 7JHQMUUNXRQT · pith_short_16: 7JHQMUUNXRQTMFGU · pith_short_8: 7JHQMUUN

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/7JHQMUUNXRQTMFGUQW4ULNVBNR \
  | 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: fa4f06528dbc613614d485b945b6a16c5520bf87d1a39e8d907e3e3bfca827e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f6f601b3009f00858c5b014a867c4863a5ccbc2164a93f1647d036c3b2947d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-03-08T12:32:12Z",
    "title_canon_sha256": "b0cea44073976892f49307030e80a61690a4b6bbd97e9f0ab9200530e5cdddc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1503",
    "kind": "arxiv",
    "version": 1
  }
}