Pith Number

pith:QI432A2P

pith:2016:QI432A2PPG6MX66MVDSHOBNYKY

not attested not anchored not stored refs pending

An instability theorem for nonlinear fractional differential systems

H.T. Tuan, N.D. Cong, S. Siegmund, T.S. Doan

arxiv:1603.07904 v4 · 2016-03-25 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QI432A2PPG6MX66MVDSHOBNYKY}

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	2026-05-18T00:07:28.613176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8239bd034f79bccbfbcca8e47705b8563fa382b8a6f5240ace14b5c6bb9b8efc

Aliases

arxiv: 1603.07904 · arxiv_version: 1603.07904v4 · doi: 10.48550/arxiv.1603.07904 · pith_short_12: QI432A2PPG6M · pith_short_16: QI432A2PPG6MX66M · pith_short_8: QI432A2P

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/QI432A2PPG6MX66MVDSHOBNYKY \
  | 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: 8239bd034f79bccbfbcca8e47705b8563fa382b8a6f5240ace14b5c6bb9b8efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c855e064b943821067c87813cedf4d6f9809e981ae5a07b94d9331a27df80bb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-03-25T13:33:55Z",
    "title_canon_sha256": "0996601b0314cdcf5253448421ccd78bff8a0dc48874fb053e88d76a6d15d87e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07904",
    "kind": "arxiv",
    "version": 4
  }
}