Pith Number

pith:DJKAWZLG

pith:2019:DJKAWZLGRIFOIOU36EAPTBYXCA

not attested not anchored not stored refs pending

Multi-stability in Doubochinski's Pendulum

Chenghao Feng, Sihui Wang, Wenkai Fan, Yao Luo, Yinlong Wang

arxiv:1904.02908 v1 · 2019-04-05 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJKAWZLGRIFOIOU36EAPTBYXCA}

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	2026-05-17T23:49:19.281598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a540b65668a0ae43a9bf100f98717103d654ea71223c01d84e3a25edf5b7765

Aliases

arxiv: 1904.02908 · arxiv_version: 1904.02908v1 · doi: 10.48550/arxiv.1904.02908 · pith_short_12: DJKAWZLGRIFO · pith_short_16: DJKAWZLGRIFOIOU3 · pith_short_8: DJKAWZLG

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/DJKAWZLGRIFOIOU36EAPTBYXCA \
  | 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: 1a540b65668a0ae43a9bf100f98717103d654ea71223c01d84e3a25edf5b7765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac992d3176ce408ac5cf6622495585cb2a02150c3fb4558e02a7429e3025ddd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-04-05T07:41:11Z",
    "title_canon_sha256": "f550d070311564de0e2ff6ae9c322aba445b373f69de8c9604ef3227f8dfa6f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02908",
    "kind": "arxiv",
    "version": 1
  }
}