Pith Number

pith:PQ6Z7JUV

pith:2014:PQ6Z7JUVUZWTWF5NLY2CLMNXA6

not attested not anchored not stored refs pending

An Extended Small-Gain Theorem

Chi Jin, Yunsheng Li

arxiv:1409.6991 v1 · 2014-09-24 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ6Z7JUVUZWTWF5NLY2CLMNXA6}

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	2026-05-18T02:42:00.063820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3d9fa695a66d3b17ad5e3425b1b70780bed3042953bcfe19a0571ed9f5057d

Aliases

arxiv: 1409.6991 · arxiv_version: 1409.6991v1 · doi: 10.48550/arxiv.1409.6991 · pith_short_12: PQ6Z7JUVUZWT · pith_short_16: PQ6Z7JUVUZWTWF5N · pith_short_8: PQ6Z7JUV

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/PQ6Z7JUVUZWTWF5NLY2CLMNXA6 \
  | 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: 7c3d9fa695a66d3b17ad5e3425b1b70780bed3042953bcfe19a0571ed9f5057d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b490703582ac26d030bb9515661e4dab9ea1aeb1bc8136404e4111720beadb9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-09-24T15:30:50Z",
    "title_canon_sha256": "9307543bbc66bbcc39f106ead276016214087d3849616c1f9e94b9ba315c06b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6991",
    "kind": "arxiv",
    "version": 1
  }
}