Pith Number

pith:SSCA6PI4

pith:2015:SSCA6PI4MRDXXAOSLQDMPS7TXS

not attested not anchored not stored refs pending

An algorithm for discovering Lagrangians automatically from data

A. M. Gr\"utter, D. J. A. Hills, J. J. Hudson

arxiv:1506.01293 v1 · 2015-06-03 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSCA6PI4MRDXXAOSLQDMPS7TXS}

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	2026-05-18T01:58:24.636274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94840f3d1c64477b81d25c06c7cbf3bca297c47bf304b3859525aacb640cb7e4

Aliases

arxiv: 1506.01293 · arxiv_version: 1506.01293v1 · doi: 10.48550/arxiv.1506.01293 · pith_short_12: SSCA6PI4MRDX · pith_short_16: SSCA6PI4MRDXXAOS · pith_short_8: SSCA6PI4

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/SSCA6PI4MRDXXAOSLQDMPS7TXS \
  | 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: 94840f3d1c64477b81d25c06c7cbf3bca297c47bf304b3859525aacb640cb7e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e7b09964ee34ef11d1d2b19896bcb84e5fe7875cc40de215fd1cf56e7fa261",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-06-03T15:56:35Z",
    "title_canon_sha256": "01294340e6580a781ae8a298f1f785a64e02c1f61ac0dc0ec158ee610977020b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01293",
    "kind": "arxiv",
    "version": 1
  }
}