Pith Number

pith:6ZPYQFT6

pith:2001:6ZPYQFT6LPKLUXH2X5S3B7264H

not attested not anchored not stored refs pending

Automated assignment of SCOP and CATH protein structure classification from FSSP scores

David Sachs, Eytan Domany, Gad Getz, Michele Vendruscolo

arxiv:cond-mat/0102280 v2 · 2001-02-15 · cond-mat.soft · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZPYQFT6LPKLUXH2X5S3B7264H}

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	2026-07-04T14:18:17.588724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65f88167e5bd4ba5cfabf65b0ff5ee1c2ba281f2897e61a51cb5606034bb71b

Aliases

arxiv: cond-mat/0102280 · arxiv_version: cond-mat/0102280v2 · doi: 10.48550/arxiv.cond-mat/0102280 · pith_short_12: 6ZPYQFT6LPKL · pith_short_16: 6ZPYQFT6LPKLUXH2 · pith_short_8: 6ZPYQFT6

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/6ZPYQFT6LPKLUXH2X5S3B7264H \
  | 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: f65f88167e5bd4ba5cfabf65b0ff5ee1c2ba281f2897e61a51cb5606034bb71b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6450036e4275a6170f845fda4ec675c169966291e3a718081acee1a2fa64ff",
    "cross_cats_sorted": [
      "q-bio"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2001-02-15T16:07:48Z",
    "title_canon_sha256": "b62347ea47cbb3a950b1c4d6b570cb6acd53adb6c6a1eda714ce105c810936d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0102280",
    "kind": "arxiv",
    "version": 2
  }
}