Pith Number

pith:TYW7C3KA

pith:2019:TYW7C3KAZPH7JE3HK5DMSPEBGD

not attested not anchored not stored refs pending

Dynamics of heavy and buoyant underwater pendulums

Laura Loeffen, Sander Wildeman, Timothy Chan, Varghese Mathai

arxiv:1901.01115 v1 · 2019-01-04 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYW7C3KAZPH7JE3HK5DMSPEBGD}

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	2026-05-17T23:53:23.134673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e2df16d40cbcff493675746c93c8130de47c0e574668287ce99dec8f9c53d1b

Aliases

arxiv: 1901.01115 · arxiv_version: 1901.01115v1 · doi: 10.48550/arxiv.1901.01115 · pith_short_12: TYW7C3KAZPH7 · pith_short_16: TYW7C3KAZPH7JE3H · pith_short_8: TYW7C3KA

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/TYW7C3KAZPH7JE3HK5DMSPEBGD \
  | 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: 9e2df16d40cbcff493675746c93c8130de47c0e574668287ce99dec8f9c53d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be0a4382f9841c1a619d643c44f192766d962d9955b101525d4a2d2f793888ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-01-04T14:18:28Z",
    "title_canon_sha256": "843157486aac392eaa9c7e9f1557354df5a7dc7aceab08a9cc1663e3b603d4d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01115",
    "kind": "arxiv",
    "version": 1
  }
}