Pith Number

pith:VPABNJQK

pith:2015:VPABNJQKDSH7AF43TNUJH4LPH5

not attested not anchored not stored refs pending

Analysis on the Foucault pendulum by De Alembert Principle and Numerical Simulation

Zhiwu Zheng

arxiv:1504.03873 v1 · 2015-04-15 · 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{VPABNJQKDSH7AF43TNUJH4LPH5}

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	2026-05-18T02:18:41.859944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc016a60a1c8ff0179b9b6893f16f3f7da20f505fc532b6fd6f2cf8cc7c53d9

Aliases

arxiv: 1504.03873 · arxiv_version: 1504.03873v1 · doi: 10.48550/arxiv.1504.03873 · pith_short_12: VPABNJQKDSH7 · pith_short_16: VPABNJQKDSH7AF43 · pith_short_8: VPABNJQK

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/VPABNJQKDSH7AF43TNUJH4LPH5 \
  | 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: abc016a60a1c8ff0179b9b6893f16f3f7da20f505fc532b6fd6f2cf8cc7c53d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbd2b956c081eccb2232aa3fda3ef133a37e60d71b7dedaddcf4c334c8e4bff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-04-15T12:02:51Z",
    "title_canon_sha256": "2fc62b387dab865ad3e7313dc4ca3d956b3cff50ee276b614c5b80db0676aeab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03873",
    "kind": "arxiv",
    "version": 1
  }
}