Pith Number

pith:5FVF6IJZ

pith:2017:5FVF6IJZFDV7IY6RYMJC4LMNZR

not attested not anchored not stored refs pending

Fourier-based classification of protein secondary structures

Jian-Jun Shu, Kian-Yan Yong

arxiv:1704.08994 v1 · 2017-04-28 · q-bio.QM · 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{5FVF6IJZFDV7IY6RYMJC4LMNZR}

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	2026-05-18T00:45:22.993933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e96a5f213928ebf463d1c3122e2d8dcc45efaed26a93f9c75ec42bcd0ed388cf

Aliases

arxiv: 1704.08994 · arxiv_version: 1704.08994v1 · doi: 10.48550/arxiv.1704.08994 · pith_short_12: 5FVF6IJZFDV7 · pith_short_16: 5FVF6IJZFDV7IY6R · pith_short_8: 5FVF6IJZ

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/5FVF6IJZFDV7IY6RYMJC4LMNZR \
  | 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: e96a5f213928ebf463d1c3122e2d8dcc45efaed26a93f9c75ec42bcd0ed388cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07b8b522182983c74e8afe2711c8d91e34d8c840317c6b29b3150effb4ea45c3",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2017-04-28T16:20:50Z",
    "title_canon_sha256": "437d3229387d72c83909ac9a1c0625da0f2dbec9b093a9f5ccbc194a69277592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08994",
    "kind": "arxiv",
    "version": 1
  }
}